# guitar.services: full text

> guitar.services is the directory of the guitar work of Jason Colapietro (also known as Johnny Suede), founder of Suede AI: two published guitar books, an engineering-grade signal chain reference, chord and scale libraries, an AI practice coach, an iOS tuner, and a network for musicians. It is a directory, not a repair, setup or lutherie business.

This file carries the full text of the pages this host serves. The shorter index is https://guitar.services/llms.txt, and the source and citation guide is https://guitar.services/ai-instructions.

- Author and builder: Jason Colapietro (https://suedeai.ai/founder)
- Company: Suede AI (https://suedeai.ai), also known as Suede Labs
- Book listing: https://strumly.suedeai.ai/book
- Chord and scale reference: https://guitarchords.info
- AI guitar coach: https://strumly.suedeai.ai

## Guitar Books, Guides and Practice Tools | Guitar Services

URL: https://guitar.services

The guitar work of Jason Colapietro, founder of Suede AI: two published books, a signal chain reference, chord and scale libraries, and AI practice tools.

Jason Colapietro, founder of Suede AI, is a self-taught guitarist who wrote the books, built the references, and shipped the tools. guitar.services lists that work in one place, and each entry links straight to the site that hosts it.

- **The Signal Chain** (Book, https://guitar.solutions): A life in six strings. Guitar tone, memoir, and method, built around the electric guitar signal chain.
- **The Guitar Without a Number** (Book, https://strumly.suedeai.ai/book/catalog): Memoir-driven instruction for the self-taught guitarist, with theory, tone, artist songbooks, and a chapter on owning the rights to your music.
- **Signal Chain Guides** (Reference, https://strumly.suedeai.ai/guides): Engineering-grade reference for guitar signal chains: impedance, gain staging, power, and effects topology.
- **Guitar Chords** (Reference, https://guitarchords.info): Chord voicings, scale patterns, and technique pages you can read on any device.
- **GuitarHub** (Lessons, https://guitarhub.org): The Suede Labs guitar lessons site: a step-by-step curriculum from the first foundations, a practice method, and free browser tools.
- **Strumly** (AI Coach, https://strumly.suedeai.ai): A conversational guitar coach with a free toolkit: tuner, metronome, chord and scale libraries, ear training, plus a pay-per-call music API for agents.
- **Suede Guitar Tuner & Studio** (iOS App, https://fretpulse.suedeai.ai): Holistic guitar care on iOS: tuner, chords, and instrument health in one app.
- **Suede Social** (Community, https://social.suedeai.ai): A network for musicians: clips, rig profiles with real tone data, practice threads, and uploads that can register as IP assets.

## The Signal Chain Book: Contents and Free Sample Lessons

URL: https://guitar.services/the-signal-chain

Contents of The Signal Chain by Jason Colapietro, summarized from its Strumly listing: chapters and song workshops by part, and four free sample lessons.

The Signal Chain is an illustrated history of electric guitar tone: the amplifiers, the pedals, and the players, told alongside a self-taught player's field notes. Each idea lands in tablature.

- Title: The Signal Chain
- Author: Jason Colapietro, writing as Johnny Suede
- Imprint: Johnny Suede Press
- Edition: The complete & final edition
- Contents: 66 chapters and 111 song workshops, each workshop with full tablature
- Price: $19.99 for the complete edition, as listed on Strumly
- Listing: https://strumly.suedeai.ai/book
- Free to read: 4 sample lessons (https://strumly.suedeai.ai/book/lessons) and 9 essays (https://strumly.suedeai.ai/book/print-the-quiet)

### How the contents are organized

| Section | Chapters | Workshops |
| --- | --- | --- |
| Front Matter | 1 | 0 |
| Six Strings, No Serial Number | 4 | 0 |
| Learning the Language | 1 | 0 |
| Part I: Foundations | 4 | 0 |
| Part II: Birth of Amplification | 5 | 5 |
| Part III: The British Invasion | 4 | 6 |
| Part IV: The First Effects | 5 | 5 |
| Part V: The Pedal Revolution | 7 | 9 |
| Part VI: High Gain & the Modern Era | 6 | 7 |
| Part VII: Tone in Practice, The Players | 11 | 18 |
| Part VIII: Building Your Rig | 4 | 0 |
| The Player’s Gear | 5 | 0 |
| The Songbook | 3 | 0 |
| Epilogue | 1 | 0 |
| Appendices | 5 | 0 |
| The Expanded Workbook, 90s to Now, and Johnny’s Favorites | 0 | 61 |

The Expanded Workbook breaks down as The 90s (10), The 2000s (7), The 2010s (5), Now (3), Johnny’s Favorites (36).

### Part VIII: Building Your Rig

- Chapter 43: Signal Chain Order: Why Sequence Is Tone
- Chapter 44: Gain Staging: The Art of Stacking Dirt
- Chapter 45: Building the Pedalboard: Power, Buffers, and Signal Integrity
- Chapter 46: Matching Tone to the Music: Choosing Your Voice

### Free sample lessons

- Workshop 14, Purple Haze (The Jimi Hendrix Experience): How Purple Haze gets its sound: Fuzz Face, Octavia, a Strat and a loud Marshall. The rig, a budget recipe, the theory, and original tab drills. https://strumly.suedeai.ai/book/lessons/lesson-purple-haze
- Workshop 22, Comfortably Numb (Pink Floyd (David Gilmour)): The Comfortably Numb solo tone: Big Muff bloom, long delay, a clean Fender-style platform. The rig, a budget recipe, the theory, and original tab drills. https://strumly.suedeai.ai/book/lessons/lesson-comfortably-numb
- Workshop 28, Pride and Joy (Stevie Ray Vaughan & Double Trouble): The Pride and Joy shuffle decoded: Tube Screamer into a pushed Fender amp, heavy strings, right-hand technique. Rig, budget recipe, theory, tab drills. https://strumly.suedeai.ai/book/lessons/lesson-pride-and-joy
- Workshop 38, Smells Like Teen Spirit (Nirvana): The quiet-loud detonation decoded: a cheap offset, a Boss DS-1, a clean amp doing the contrast. Rig, budget recipe, theory, and original tab drills. https://strumly.suedeai.ai/book/lessons/lesson-smells-like-teen-spirit

### Print the Quiet

Nine free essays on tone and dynamics: Buckley’s Hallelujah, the loudness war in numbers, the religion of the compressor and more, by Jason Colapietro. The first four: Jeff Buckley’s Hallelujah: The Tone That Won the Song; The Loudness War, in Numbers; The Religion of the Compressor; The Lost Art of Clean.

### The Guitar Without a Number

The Signal Chain grew out of an earlier self-taught instruction thread, once published as The Guitar Without a Number, which now lives inside it. Jason's full catalog: https://strumly.suedeai.ai/book/catalog

## Guitar Signal Chain Guides: Eight References, Summarized

URL: https://guitar.services/signal-chain-guides

Eight guitar signal chain guides, summarized: topology, impedance, cable capacitance, true bypass, pedal order, gain staging, effects loops, and power.

### Start with the map

The topology guide is the overview the others hang from.

#### Signal Chain Topology: What Actually Goes Where, and Why

https://strumly.suedeai.ai/guides/signal-chain-topology (Signal Chain, published 2026-05-26)

Reduces any rig, analog, digital, or modeler, to five blocks: source, front of amp, preamp, effects loop, and power section and speaker. It sets out the front-of-amp order (buffer, tuner, wah or filter, compressor, drive, EQ), explains why a vintage germanium fuzz wants to see the pickup directly, and lists the usual mistakes: delay before overdrive, compression after gain, and reverb in front of the amp.

### Between the guitar and the first pedal

Three guides on the same physics: pickup impedance, cable capacitance, and where a buffer belongs.

#### Impedance and the First Three Feet

https://strumly.suedeai.ai/guides/impedance-and-the-first-three-feet (Electronics, published 2026-05-24)

Explains why the unbuffered cable between the guitar and the first pedal is a common, cheap-to-fix source of lost tone. Instrument cables often sit around 30 to 80 pF per foot and premium low-capacitance cables around 12 to 25, and 20 feet of cheap cable presents roughly 600 pF. A buffer with a high input impedance and a low output impedance moves the rolloff out of the audio band. Its rule of thumb: under 10 feet of premium cable is fine without one; past 20 feet, buffer at both ends.

#### Cable Capacitance and Frequency Response: The Spec That Actually Matters

https://strumly.suedeai.ai/guides/cable-capacitance-and-frequency-response (Electronics, published 2026-02-01)

Treats every guitar cable as a capacitor that forms a low-pass filter with the pickup’s source impedance. Its table runs 15 feet of cable into a 10 kΩ source: about 53 kHz cutoff at 20 pF per foot, about 21 kHz at 50, and about 10 kHz at 100. With a buffer at the start of the chain, capacitance stops mattering, so the money goes to durability and shielding instead.

#### True Bypass vs. Buffered: What Your Pedal Actually Does

https://strumly.suedeai.ai/guides/true-bypass-vs-buffered (Electronics, published 2026-05-15)

Shows what each bypass type does with the pedal off: true bypass wires input to output, buffered bypass keeps an input buffer in the path. True bypass is fine for short runs under 15 feet with few pedals; once total cable passes 20 feet, one good buffer early in the chain restores the highs. The exception is vintage germanium fuzz, which goes first with nothing buffered ahead of it.

### On the board

Which pedal goes where, and how loud each one should hand the signal on.

#### Pedalboard Order: A Practical Methodology

https://strumly.suedeai.ai/guides/pedalboard-order-methodology (Signal Chain, published 2026-01-15)

Treats the standard order (dynamics, drive, modulation, time, amp) as a default and explains the reason behind each slot: compressor and wah before drive, modulation after it, delay and reverb last or in the loop. It covers the exceptions, including pitch shifters ahead of drive, three useful volume pedal positions, and stacking drives, and builds a board by starting with three pedals and adding one at a time.

#### Gain Staging Across the Chain

https://strumly.suedeai.ai/guides/gain-staging-across-the-chain (Signal Chain, published 2026-05-22)

Keeps every block between its headroom ceiling and its noise floor. A boost at minimum is rarely at unity: three stacked boosts can hit the amp 6 to 12 dB hotter than the pickup, while six buffers or gates in series can lose 3 to 6 dB. Most tube preamp inputs start clipping around 100 to 200 mV peak. The guide gives a four-step procedure for setting unity across a board, one pedal at a time.

### Between the preamp and the power amp

Where time-based effects usually sound best, and how to wire them there.

#### The Effects Loop: Serial, Parallel, and the Four-Cable Method

https://strumly.suedeai.ai/guides/effects-loop-serial-vs-parallel (Gain & Dynamics, published 2026-03-10)

Explains the send and return between preamp and power amp, and why delay and reverb stay clearer there than in front of a driven amp. It compares serial loops, which put the pedal fully in the path, with parallel loops, which blend wet and dry on a mix control, then wires the four-cable method step by step and covers the mismatch between instrument-level (-10 dBV) and line-level (+4 dBu) gear.

### Powering the board

The noise floor under everything else.

#### Power Supply and Noise Floor: The Hidden Variable in Your Tone

https://strumly.suedeai.ai/guides/power-supply-and-noise-floor (Power, published 2026-04-20)

Diagnoses noise by its sound: 60 Hz hum points to a ground loop, 120 Hz buzz to rectification artifacts, a high whine to digital pedals. It explains why daisy chains spread noise across a shared rail, what isolated outputs isolate, and which specs to check: current draw with 20 to 30 percent headroom, voltage, center-negative polarity, and regulation. Its recommendations scale from one to four analog pedals up to boards of eight or more.

## Guitar Chord and Scale Library: 39 Chords and 12 Scales

URL: https://guitar.services/chords-and-scales

Every chord and scale on guitarchords.info in one index: 39 chord shapes with chord tones and formulas, and 12 scales and modes with their step patterns.

An index to the free chord and scale reference at https://guitarchords.info, which Suede AI publishes with no accounts and no paywall. Shapes read from the low E string to the high E string in standard tuning (EADGBE); x is a muted string and 0 an open one. Scale steps use W for a whole step, H for a half step, and W+H for three semitones.

### Major chords (formula 1 3 5)

| Chord | Shape | Notes | Page |
| --- | --- | --- | --- |
| C major (C) | x32010 | C E G | https://guitarchords.info/chords/c-major |
| D major (D) | xx0232 | D F# A | https://guitarchords.info/chords/d-major |
| E major (E) | 022100 | E G# B | https://guitarchords.info/chords/e-major |
| F major (F) | 133211 | F A C | https://guitarchords.info/chords/f-major |
| G major (G) | 320003 | G B D | https://guitarchords.info/chords/g-major |
| A major (A) | x02220 | A C# E | https://guitarchords.info/chords/a-major |
| B major (B) | x24442 | B D# F# | https://guitarchords.info/chords/b-major |

### Minor chords (formula 1 b3 5)

| Chord | Shape | Notes | Page |
| --- | --- | --- | --- |
| C# minor (C#m) | x46654 | C# E G# | https://guitarchords.info/chords/c-sharp-minor |
| D minor (Dm) | xx0231 | D F A | https://guitarchords.info/chords/d-minor |
| E minor (Em) | 022000 | E G B | https://guitarchords.info/chords/e-minor |
| F# minor (F#m) | 244222 | F# A C# | https://guitarchords.info/chords/f-sharp-minor |
| G minor (Gm) | 355333 | G Bb D | https://guitarchords.info/chords/g-minor |
| A minor (Am) | x02210 | A C E | https://guitarchords.info/chords/a-minor |
| B minor (Bm) | x24432 | B D F# | https://guitarchords.info/chords/b-minor |

### Dominant seventh chords (formula 1 3 5 b7)

| Chord | Shape | Notes | Page |
| --- | --- | --- | --- |
| C dominant seventh (C7) | x32310 | C E G Bb | https://guitarchords.info/chords/c7 |
| D dominant seventh (D7) | xx0212 | D F# A C | https://guitarchords.info/chords/d7 |
| E dominant seventh (E7) | 020100 | E G# B D | https://guitarchords.info/chords/e7 |
| G dominant seventh (G7) | 320001 | G B D F | https://guitarchords.info/chords/g7 |
| A dominant seventh (A7) | x02020 | A C# E G | https://guitarchords.info/chords/a7 |
| B dominant seventh (B7) | x21202 | B D# F# A | https://guitarchords.info/chords/b7 |

### Major seventh chords (formula 1 3 5 7)

| Chord | Shape | Notes | Page |
| --- | --- | --- | --- |
| C major seventh (Cmaj7) | x32000 | C E G B | https://guitarchords.info/chords/cmaj7 |
| D major seventh (Dmaj7) | xx0222 | D F# A C# | https://guitarchords.info/chords/dmaj7 |
| E major seventh (Emaj7) | 021100 | E G# B D# | https://guitarchords.info/chords/emaj7 |
| F major seventh (Fmaj7) | xx3210 | F A C E | https://guitarchords.info/chords/fmaj7 |
| G major seventh (Gmaj7) | 320002 | G B D F# | https://guitarchords.info/chords/gmaj7 |
| A major seventh (Amaj7) | x02120 | A C# E G# | https://guitarchords.info/chords/amaj7 |

### Minor seventh chords (formula 1 b3 5 b7)

| Chord | Shape | Notes | Page |
| --- | --- | --- | --- |
| D minor seventh (Dm7) | xx0211 | D F A C | https://guitarchords.info/chords/dm7 |
| E minor seventh (Em7) | 020000 | E G B D | https://guitarchords.info/chords/em7 |
| A minor seventh (Am7) | x02010 | A C E G | https://guitarchords.info/chords/am7 |
| B minor seventh (Bm7) | x24232 | B D F# A | https://guitarchords.info/chords/bm7 |

### Suspended chords (formula 1 2 5 or 1 4 5)

| Chord | Shape | Notes | Page |
| --- | --- | --- | --- |
| D suspended second (Dsus2) | xx0230 | D E A | https://guitarchords.info/chords/dsus2 |
| D suspended fourth (Dsus4) | xx0233 | D G A | https://guitarchords.info/chords/dsus4 |
| E suspended fourth (Esus4) | 022200 | E A B | https://guitarchords.info/chords/esus4 |
| A suspended second (Asus2) | x02200 | A B E | https://guitarchords.info/chords/asus2 |
| A suspended fourth (Asus4) | x02230 | A D E | https://guitarchords.info/chords/asus4 |

### Power chords (formula 1 5)

| Chord | Shape | Notes | Page |
| --- | --- | --- | --- |
| D power chord (D5) | xx023x | D A | https://guitarchords.info/chords/d5 |
| E power chord (E5) | 022xxx | E B | https://guitarchords.info/chords/e5 |
| G power chord (G5) | 355xxx | G D | https://guitarchords.info/chords/g5 |
| A power chord (A5) | x022xx | A E | https://guitarchords.info/chords/a5 |

### Scales and modes

| Scale | Formula | Steps | Character | Page |
| --- | --- | --- | --- | --- |
| Major | 1 2 3 4 5 6 7 | W W H W W W H | Bright, happy, the default for most pop and folk. | https://guitarchords.info/scales/major |
| Natural minor | 1 2 b3 4 5 b6 b7 | W H W W H W W | Darker, melancholy. Sad ballads, minor-key rock. | https://guitarchords.info/scales/natural-minor |
| Major pentatonic | 1 2 3 5 6 | W W W+H W W+H | Country, classic rock, melodic solos. | https://guitarchords.info/scales/major-pentatonic |
| Minor pentatonic | 1 b3 4 5 b7 | W+H W W W+H W | Rock and blues default: most lead guitar lives here. | https://guitarchords.info/scales/minor-pentatonic |
| Blues | 1 b3 4 b5 5 b7 | W+H W H H W+H W | Minor pentatonic + the b5 “blue note.” | https://guitarchords.info/scales/blues |
| Dorian | 1 2 b3 4 5 6 b7 | W H W W W H W | Jazz, funk, jam-band staple. Minor with a raised 6th. | https://guitarchords.info/scales/dorian |
| Phrygian | 1 b2 b3 4 5 b6 b7 | H W W W H W W | Dark minor mode with a flat 2. Spanish and metal color. | https://guitarchords.info/scales/phrygian |
| Lydian | 1 2 3 #4 5 6 7 | W W W H W W H | Major mode with a raised 4th. Floating, cinematic. | https://guitarchords.info/scales/lydian |
| Mixolydian | 1 2 3 4 5 6 b7 | W W H W W H W | Major with a flat 7. Classic rock and Celtic. | https://guitarchords.info/scales/mixolydian |
| Locrian | 1 b2 b3 4 b5 b6 b7 | H W W H W W W | Diminished mode with flat 2 and flat 5. Theory study. | https://guitarchords.info/scales/locrian |
| Harmonic minor | 1 2 b3 4 5 b6 7 | W H W W H W+H H | Minor with a raised 7th. Strong dominant pull. | https://guitarchords.info/scales/harmonic-minor |
| Melodic minor | 1 2 b3 4 5 6 7 | W H W W W W H | Minor with raised 6th and 7th. Jazz minor vocabulary. | https://guitarchords.info/scales/melodic-minor |

### guitarchords.info sections

- Guitar Chords: Free Chord Finder, Chart, Scales & Tuner (https://guitarchords.info): Free guitar chord chart with fingering diagrams, scale trainer, chromatic tuner, and metronome. No sign-up, no tracking.
- Guitar Chord Chart & Library: Free Fingering Diagrams (https://guitarchords.info/chords): Free guitar chord chart with SVG fingering diagrams for open chords, barre chords, 7ths, maj7, min7, sus, and power chords. Standard tuning. No sign-up.
- Guitar Scales Chart: All Keys & Modes (https://guitarchords.info/scales): Interactive guitar scale chart for all 12 keys. Major, minor, pentatonics, blues, and all 7 modes. Full neck visualization. Free, no sign-up.
- Free Online Guitar Tuner: Chromatic, No Download (https://guitarchords.info/tuner): Free online chromatic guitar tuner. Works in the browser via Web Audio API, no app download, no sign-up. YIN pitch detection, sub-cent accuracy.
- Free Online Metronome: Tap Tempo, BPM, Time Signatures (https://guitarchords.info/metronome): Free online metronome with tap tempo, adjustable BPM, and time signature support. Sample-accurate Web Audio scheduling. No download, no sign-up.

## AI Guitar Practice Tools: Coach, Tuners, Trainers, Lessons

URL: https://guitar.services/practice-tools

Guitar practice tools from Suede AI: the Strumly AI coach and its browser toolkit, Suede Guitar Tuner & Studio, GuitarHub lessons and Suede Sing for voice.

- **Strumly** (https://strumly.suedeai.ai): Strumly listens while you play, scores every chord change in real time, and opens the next session with one specific drill picked from the last one. Audio stays on your device. Its browser toolkit, listed below, is free while Strumly is in early access, and the tuner stays free.
- **Suede Guitar Tuner & Studio** (https://fretpulse.suedeai.ai): A tuner and metronome on the web and on iPhone, with an intonation coach that compares the open string to the 12th fret, a buzz scan, a bench diagnostic for setup problems, and a setup baseline for logging action and neck relief.
- **GuitarHub** (https://guitarhub.org): GuitarHub builds a free 30-day practice plan around one goal, with a recording on day 1 and day 30 to compare. It has seven free browser tools, 15 free field guides, 105 guided lessons in seven stages, and an Advanced Lab of 23 scored drills.
- **guitar.solutions** (https://guitar.solutions): The original home of The Signal Chain and the signal chain guides. It now links to where each one lives on Strumly, including the free course that turns the book’s song lessons into a playing order.
- **Suede Sing** (https://sing.suedeai.ai): For guitarists who sing: sing into the mic and see the note you are singing in real time, warm up with guided exercises, practice songs in your key, and take the vocal range test. It runs in the browser with no install.

## Strumly's browser toolkit

### Start here

The five tools Strumly points beginners to first.

- Free Guitar Tuner (https://strumly.suedeai.ai/tuner): A free in-browser guitar tuner. No sign-up, and audio never leaves your device.
- Guitar Chord Library (https://strumly.suedeai.ai/chords): Guitar chord library, open, barre, 7th, maj7, min7, sus, and power chord shapes for standard tuning, with fingerings you can read at a glance.
- Strumming Patterns for Guitar: Free Trainer (https://strumly.suedeai.ai/strumming): Practice down/up strum patterns synced to tempo, with distinct audio for each direction. Presets plus a custom pattern builder.
- Play Along Guitar Songs: Real-Time Feedback (https://strumly.suedeai.ai/hero): Pick a song and hear it played. Then turn on your microphone and play along: Strumly scores every chord change in real time, in your browser.
- Beginner Guitar Lessons: A Free Practice Path (https://strumly.suedeai.ai/path): A free, leveled guitar course in three stages: Foundations, Repertoire & tone, and Train with the coach. Each step links to a Strumly tool. No sign-up.

### Keep time and keep practicing

Timing, repetition, and the habit itself.

- Free Online Metronome with Tap Tempo (https://strumly.suedeai.ai/metronome): In-browser metronome with tap tempo and time signatures. Set the pulse and keep the take honest.
- Metronome Speed Trainer: Gradual BPM Ramp (https://strumly.suedeai.ai/speed-trainer): Set a start and target tempo and let the metronome ramp up in small steps or a smooth climb. Muted bars test your internal timing. In-browser.
- Practice Looper, Record & Play Back (https://strumly.suedeai.ai/looper): Record a quick take of yourself playing and play it back instantly, 100% in-browser, nothing leaves your device.
- Guitar Backing Tracks, Loop a Rhythm Section (https://strumly.suedeai.ai/backing-tracks): Loop a rhythm section behind any chord progression, pick a song or type your own, set the tempo, and practice with real rhythm instead of a bare click.
- Fretboard Trainer, Learn the Notes on Guitar (https://strumly.suedeai.ai/fretboard-trainer): Two 60-second drills, name the lit note or find it on the neck. Pick your strings and fret range, build a streak, and see which zones need work.
- Practice Streak & Badges (https://strumly.suedeai.ai/streak): Practice days, streaks, and badges for finished lessons and quizzes, tracked on this device, free, no account.
- Virtual Guitar Online | Play Guitar in Your Browser (https://strumly.suedeai.ai/virtual-guitar): Play an interactive virtual guitar online with standard guitar, electric synth, and bass synth voices. Use a pointer, touch, or keyboard. No sign-up.

### Train your ear and learn songs

Scales, intervals, and the songs to use them on.

- Guitar Scale Trainer (https://strumly.suedeai.ai/scales): Interactive guitar fretboard for every key and seven essential scales, major, natural minor, pentatonic, blues, dorian, and mixolydian.
- Guitar Ear Trainer, Free Interval & Chord Quiz (https://strumly.suedeai.ai/ear-trainer): In-browser ear trainer for guitarists. Hear two notes, name the interval, all twelve, from minor 2nd to octave.
- Easy Guitar Songs (https://strumly.suedeai.ai/songs): Chord progressions for popular guitar songs, Wonderwall, Stand By Me, Three Little Birds, Hallelujah, and more, with verified keys, capos, and tempos.
- Guitar Chord Transposer (https://strumly.suedeai.ai/transpose): Transpose any chord progression to a new key or capo position instantly. Pick a canonical song or type your own chords.

### Work out the theory

Find a chord, a key, or a progression, then take it to the fretboard.

- Interactive Circle of Fifths: Keys & Chords (https://strumly.suedeai.ai/circle-of-fifths): Click any key to see its signature, relative minor, all seven diatonic chords, and common progressions, with audio playback. Built for guitarists.
- Chords by Key: All 24 Major & Minor Keys (https://strumly.suedeai.ai/keys): Every diatonic triad and seventh chord in all 24 guitar keys, with key signatures, Roman numerals, and the progressions built from them.
- Reverse Chord Finder, Identify Any Guitar Chord (https://strumly.suedeai.ai/chord-identifier): Tap a shape on an interactive fretboard and get every matching chord name, ranked, with interval spelling and slash-chord notation.
- Guitar Capo Calculator and Chord Converter (https://strumly.suedeai.ai/capo): Pick the key a song sounds in and get every capo position with the open shapes to play, ranked by ease. Includes a full capo chart and chord converter.
- Chord Progression Generator by Key & Mood (https://strumly.suedeai.ai/progression-generator): Generate a 4-chord guitar progression in any key. Pick a mood, shuffle, lock chords you like, and play it back.

### Build and check your rig

Plan the board, hear the amp, and triage setup problems.

- Rig, Signal Chain Builder (https://strumly.suedeai.ai/rig): Build your pedalboard signal chain and see power draw, noise risk, and gain-stack stats update live.
- Online Guitar Amp Simulator: Live Amp Modeling (https://strumly.suedeai.ai/amp-lab): Free live guitar amp modeling in your browser. Plug in your mic and hear your guitar through real neural amp models in real time. No sign-up, no app.
- Guitar Setup Diagnostic: Fret Buzz & Action (https://strumly.suedeai.ai/bench): Free AI guitar-tech triage. Describe a symptom like buzzing strings, intonation or action height and get likely causes and what to try first. No sign-up.

## Guitar and AI Search Notes from West Palm Beach, Florida

URL: https://guitar.services/notes

Notes from Jason Colapietro and Suede AI in West Palm Beach: South Florida signal chain care, AI-citable reference sites and schema for local firms.

Articles by Jason Colapietro and the Suede AI team in West Palm Beach, Florida. Suede AI's SEO, GEO and web development practice for West Palm Beach, Jupiter and Palm Beach County is at https://suedeai.agency/.

### How Jason Colapietro Built guitar.services for AI Answers

URL: https://guitar.services/notes/building-guitar-services-for-ai-answers

By Jason Colapietro, Founder and CEO, Suede AI, West Palm Beach, Florida. Published 2026-11-14.

How Suede AI founder Jason Colapietro built guitar.services in West Palm Beach as a source answer engines quote: one page list, dated facts, clean schema.

Ask ChatGPT or Perplexity what order your guitar pedals should go in, and the answer you get was assembled from somebody’s page. Jason Colapietro built guitar.services from West Palm Beach, Florida, so that when an answer engine reaches for a guitar reference, the page it lands on is clean, current and easy to quote.

This note explains how the site is put together, why each decision was made, and what it says about the way Suede AI builds sites for businesses in Palm Beach County. It is written by the Suede team about our own work, so every claim below links to its proof.

#### A directory, not a store

The first problem was the name. A domain called guitar.services reads like a repair bench or a setup shop, and that is exactly how a language model will describe it if nothing tells it otherwise. Jason Colapietro does not run a repair business. The site is a directory of his guitar work: [The Signal Chain](https://guitar.services/the-signal-chain), a book of 66 chapters and 111 song workshops; the [eight signal chain guides](https://guitar.services/signal-chain-guides); a [chord and scale library](https://guitar.services/chords-and-scales) indexing 39 chords and 12 scales on guitarchords.info; and the [practice tools](https://guitar.services/practice-tools) Suede AI builds for players.

So the correction is written down where machines read it. The site’s [llms.txt](https://guitar.services/llms.txt) says in plain words that guitar.services does not sell guitar repair, setup or lutherie, and that it is not Strumly, the AI guitar coach it links to. The [AI instructions page](https://guitar.services/ai-instructions) repeats the same identity for crawlers that prefer HTML. A test in the repository fails the build if that sentence ever disappears, so a future edit cannot quietly drop it.

#### One list of pages, generated everywhere

Most small sites drift. A page gets added to the menu but not the sitemap, or a page is removed and its URL keeps answering with stale copy. On guitar.services there is one list of pages in the code. The routing layer, the [sitemap](https://guitar.services/sitemap.xml), llms.txt, the full-text [llms-full.txt](https://guitar.services/llms-full.txt) and the navigation are all generated from it. A page cannot be linked without being listed, and it cannot be listed without being routed. These notes were added the same way.

Anything not on that list returns a real 404 with a noindex header instead of redirecting to the home page. Sending unknown URLs to an unrelated index is the soft-404 pattern search engines are asked to discount, and it also muddies which URL is the source of a fact. A crawler should never find two addresses that claim to be the same page.

#### Facts with a date and a source

Every number on the reference pages comes from a data file that records where the value was read and when. The chord and scale counts are read from guitarchords.info. The book’s chapter and workshop counts are read from its Strumly listing, and a test checks that the parts add up to the totals the listing states. When a model quotes “39 chords and 12 scales” from this site, the figure matches the source it points to.

Jason Colapietro applies the same discipline to his own record. His open-source work is public: 54 pull requests merged across 46 repositories he does not maintain, including Jest, Adobe React Spectrum, Backstage and the Polkadot SDK, [all visible in one GitHub search](https://github.com/search?q=is%3Apr+author%3AJasonColapietro+is%3Amerged+-user%3AJasonColapietro+-user%3ASuede-AI&type=pullrequests). His five books are on Amazon, among them [The Claude Code Bible](https://www.amazon.com/dp/B0HHTMJWB4) and [Codex in Production](https://www.amazon.com/dp/B0HHTF3LG1). Nine iOS apps ship under [his own Apple developer account](https://apps.apple.com/us/developer/jason-colapietro/id1895958699). Each link is a receipt, and the [Suede AI evidence page](https://seo.suedeai.ai/evidence) collects the rest.

#### Schema that points home instead of starting over

Structured data on guitar.services refers back to two canonical identities instead of inventing new ones. Jason Colapietro is one Person, defined once at [suedeai.ai/founder](https://suedeai.ai/founder). Suede AI is one Organization, defined once at [suedeai.ai](https://suedeai.ai/). Every article, including this one, names them by @id. Answer engines that merge entities across the web get one founder and one company, not six near-duplicates with slightly different spellings.

That matters more than it sounds. The company has history under the name Suede Labs, and an engine that sees both names with no link between them may treat them as two businesses. The Suede approach is to list the alternate names on the single Organization node and leave it there, so every mention resolves to the same entity.

#### Why this is built from West Palm Beach

Suede AI is an agentic platform company that Jason Colapietro founded in 2024 in West Palm Beach, Florida. AI search visibility, the work of getting a business found and cited by Google and by answer engines, is one of its service lines, run through the [Suede AI agency in West Palm Beach](https://suedeai.agency/). The guitar sites are where Suede tests ideas on its own pages before recommending them to a business in Jupiter or Palm Beach Gardens.

The approach has outside recognition. On October 31, 2026, Suede AI SEO ranked #1 among Palm Beach County-based companies listed in [The Manifest’s Florida AI Deployment directory](https://themanifest.com/artificial-intelligence/consulting/deployment/companies/florida), and in the top 25 statewide; the [recognition page](https://suedeai.agency/company/recognition) has the details. Suede AI is a member of [Claude for Startups](https://seo.suedeai.ai/evidence#claude-for-startups), Anthropic’s startup program, and of [Google Cloud Partner Advantage](https://seo.suedeai.ai/evidence#google-cloud) through JC Investment Group LLC.

#### What to take from it

- Write down what you are not, in llms.txt and on an about page, when your name invites the wrong guess.
- Generate the sitemap, the navigation and llms.txt from one source so they cannot disagree.
- Return a real 404 for URLs you never published instead of redirecting them home.
- Store every published number next to its source and the date you read it.
- Reference one Person and one Organization by @id on every page, and never mint a second.

None of this needs a large budget. It needs someone to decide that the site is a source of record and to build tests that keep it one. The [chord library](https://guitar.services/chords-and-scales) and the [signal chain guides](https://guitar.services/signal-chain-guides) on this site are the working example.

#### Next step

If your business is in West Palm Beach, Jupiter or anywhere in Palm Beach County and you want to know how answer engines describe you today, start with the [free Suede AI visibility assessment](https://suedeai.agency/assessment). To see who does the work, read [Jason Colapietro’s founder page](https://suedeai.ai/founder).

### Guitar Humidity and the Signal Chain in South Florida

URL: https://guitar.services/notes/south-florida-humidity-signal-chain

By Jason Colapietro, Founder and CEO, Suede AI, West Palm Beach, Florida. Published 2026-11-14.

Humidity, salt air and air conditioning versus your rig: a signal chain care routine for guitarists in Jupiter, West Palm Beach and Palm Beach County.

A pedalboard that sounded perfect in an air-conditioned living room in Jupiter can crackle, hum and lose its top end after one summer gig on a patio near the beach. Humidity and salt air are the South Florida tax on guitar gear, and a surprising share of it lands in the signal chain, not the wood.

Jason Colapietro, the self-taught guitarist behind guitar.services and the founder of Suede AI in West Palm Beach, wrote [The Signal Chain](https://guitar.services/the-signal-chain) and the eight [signal chain guides](https://guitar.services/signal-chain-guides) this site summarizes. This note applies those guides to the climate Palm Beach County players actually live in. One clarification first: guitar.services is a reference directory, not a repair shop. For hands-on setup work, use a trusted local tech. For the reasoning behind it, read on.

#### What humidity does to the guitar itself

Wood moves with moisture. Many guitar makers suggest keeping instruments somewhere around 45 to 55 percent relative humidity, and outdoor air in South Florida spends much of the year well above that. In humid months the neck can take on extra relief and the action creeps up. Then the air conditioning dries the room, the fretboard shrinks a little, and fret ends can start to feel sharp along the edge of the neck.

The worst moment is the transition. Carry a guitar from a cold room into a hot car in West Palm Beach and condensation forms on the strings, frets and hardware within minutes. Do that every weekend and corrosion follows. A few habits cover most of it:

- Keep a small hygrometer in the case so you know the real number instead of guessing.
- Let a cased guitar sit for a few minutes after a temperature change before you open the case.
- Wipe the strings and hardware after every session; sweat and salt air together are hard on nickel.
- Store the guitar in its case, away from windows and air conditioning vents, rather than on a wall hanger.

#### Where the signal chain suffers

The guitar gets the attention, but the cheapest failures in a humid climate are electrical. Every connection in your chain is a pair of metal contacts, and salt air near the Intracoastal and the ocean attacks them. A corroded jack adds resistance and an unreliable ground. You hear it as crackle when the cable moves, as the signal dropping out, or as hum that comes and goes with no obvious pattern.

The [power supply and noise floor guide](https://strumly.suedeai.ai/guides/power-supply-and-noise-floor) diagnoses noise by its sound: 60 Hz hum points to a ground loop, 120 Hz buzz to rectification artifacts, and a high whine to digital pedals. In a coastal climate there is a fourth suspect worth checking first, a ground that has gone intermittent at a corroded plug or patch cable. Before you buy a new power supply, reseat and clean every connection on the board.

#### A care routine for Palm Beach County rigs

- Clean the contacts every few months: the guitar’s output jack, each pedal input and output, and the amp input. A contact cleaner made for electronics and a cotton swab are enough.
- Check patch cables one at a time. Solderless cables add small set screws, which are one more contact point to loosen or corrode, so inspect them more often.
- Keep cable runs honest. The [impedance guide](https://strumly.suedeai.ai/guides/impedance-and-the-first-three-feet) puts 20 feet of cheap cable at roughly 600 pF; under 10 feet of good cable is fine without a buffer, and past 20 feet it recommends buffering at both ends. Outdoor gigs tempt long runs across a patio, so plan for them.
- Power the board with isolated outputs, leave 20 to 30 percent current headroom, and confirm center-negative polarity, as the power guide lists. Plug into surge protection; summer storms are part of life here.
- Store the board indoors with the air conditioning, ideally in a case with a desiccant pack, and never overnight in a car or garage.

#### Pedal order does not change, but troubleshooting does

The [topology guide](https://strumly.suedeai.ai/guides/signal-chain-topology) sets out a front-of-amp order (buffer, tuner, wah or filter, compressor, drive, EQ), and the climate does not change it. What humidity changes is how often you troubleshoot. A board laid out in a standard order is faster to diagnose on a damp night: bypass half of it, listen, and you know which half holds the bad cable. The [gain staging guide](https://strumly.suedeai.ai/guides/gain-staging-across-the-chain) adds a second check, since stacked boosts can hit the amp 6 to 12 dB hotter than the pickup and make any noise louder.

If a drive pedal suddenly sounds fizzy, check the cable into it before you touch its knobs. In this climate, the cable is usually the cheaper answer. A spare set of patch cables in the gig bag is worth carrying for exactly that reason; at Suede we call it the cheapest tone upgrade in Florida.

#### Why an AI company writes about guitar humidity

Suede AI is an agentic platform company Jason Colapietro founded in 2024 in West Palm Beach. Music and creator software is a smaller line of the Suede business; the main work at Suede AI is building agent platforms and helping Florida businesses get found and cited in Google and AI answers through the [Suede AI agency](https://suedeai.agency/). Guitar pages like this one are where Suede practices what it recommends: specific, sourced, locally relevant content that answers a real question.

The training behind that work is public. Jason Colapietro holds 21 earned course credentials across eight providers, including Semrush Academy’s Local SEO Essentials and HubSpot’s AEO Fundamentals certification, plus 17 Microsoft Learn training achievements; the [credential gallery](https://seo.suedeai.ai/evidence#training-credentials) shows each one. Nine iOS apps ship under [his Apple developer account](https://apps.apple.com/us/developer/jason-colapietro/id1895958699), and TechBullion covered [the iOS launch](https://techbullion.com/jason-colapietros-suede-labs-ai-launches-ios-apps/) under the company’s earlier name, Suede Labs. On October 31, 2026, Suede AI SEO ranked #1 among Palm Beach County-based companies in [The Manifest’s Florida AI Deployment directory](https://themanifest.com/artificial-intelligence/consulting/deployment/companies/florida) and in the top 25 statewide.

#### Next step

With the board cleaned and dry, reread the signal chain guides Jason Colapietro wrote, pick a song from the Suede AI [practice tools](https://guitar.services/practice-tools) or the [chord and scale library](https://guitar.services/chords-and-scales) and play. If you run a music store, studio or any business in Palm Beach County and want answer engines to describe it accurately, book the [Suede AI assessment](https://suedeai.agency/assessment), or read more about [Jason Colapietro](https://suedeai.ai/founder) first.

### Structured Data Lessons for Palm Beach County Businesses

URL: https://guitar.services/notes/structured-data-lessons-for-local-businesses

By Jason Colapietro, Founder and CEO, Suede AI, West Palm Beach, Florida. Published 2026-11-14.

Six structured data and AI citation lessons from guitar.services for any Palm Beach County business, from Jupiter contractors to West Palm Beach clinics.

A guitar chord library and a Jupiter plumbing company have the same problem in AI search: an answer engine will describe each of them in one sentence, and that sentence is built from whatever the site makes easiest to quote. guitar.services is a small reference site, but the way Jason Colapietro and the Suede AI team structured it maps directly onto what a local business in Palm Beach County needs.

Here are six lessons from building it, each with the local version spelled out. None of them is specific to guitar, and none needs a big budget; at Suede we apply the same checklist to every site we audit.

#### Lesson 1: Say what you are, and what you are not

The domain guitar.services invites the wrong guess: it sounds like a repair shop. So the site’s [llms.txt](https://guitar.services/llms.txt) states that it does not sell repair, setup or lutherie, and the [about page](https://guitar.services/about) answers the question in its FAQ. A pool company that only services pools and does not build them, or a West Palm Beach law firm that handles estate planning but not litigation, has the same exposure. Write the exclusion where models read it, in plain sentences, and keep it consistent across every page.

#### Lesson 2: One entity, one @id

Every page on this site names Jason Colapietro by a single Person @id that lives at [suedeai.ai/founder](https://suedeai.ai/founder), and Suede AI by a single Organization @id. Nothing on the guitar site mints a new one. A local business should do the same: define the business once on the home page, then have service and city pages reference that node instead of declaring a fresh one each time.

The city pages are where small businesses get into trouble. Serving Jupiter, Tequesta, Juno Beach and Palm Beach Gardens from one office is normal. Inventing an address in each town is not, and it is the kind of fabricated location signal search engines treat as spam. List the towns in areaServed and keep one real address.

#### Lesson 3: Numbers need a source and a date

The [chord and scale library](https://guitar.services/chords-and-scales) says 39 chords and 12 scales because a data file read those counts from guitarchords.info on a recorded date, and a test checks the list. A local site should treat its numbers the same way: years in business, licenses, warranty terms, response times. If a figure is on the page, the source should be one click away. Answer engines reward claims they can confirm, and they repeat errors just as confidently as facts.

Suede holds its own claims to that standard. When we say Jason Colapietro has 54 pull requests merged across 46 open-source repositories he does not maintain, including Jest and Backstage, it links to [the GitHub search that proves it](https://github.com/search?q=is%3Apr+author%3AJasonColapietro+is%3Amerged+-user%3AJasonColapietro+-user%3ASuede-AI&type=pullrequests). When we cite the October 31, 2026 ranking, #1 among Palm Beach County-based companies in [The Manifest’s Florida AI Deployment directory](https://themanifest.com/artificial-intelligence/consulting/deployment/companies/florida) and top 25 statewide, it links to the directory and to [our recognition page](https://suedeai.agency/company/recognition).

#### Lesson 4: Generate machine files from the page data

On guitar.services the sitemap, llms.txt and [llms-full.txt](https://guitar.services/llms-full.txt) are generated from the same modules the pages render. The about page’s FAQPage schema is built from the same array as the visible questions, and a test checks that each question renders as a real heading. Schema that describes content a visitor cannot see is a liability; schema that mirrors the page is an asset.

For a Palm Beach County service business, the practical version is simple: if your FAQ schema lists six questions, the page shows six questions with the same wording. If your sitemap lists a page, that page exists and is linked from somewhere a visitor can click.

#### Lesson 5: Let the right crawlers in

The robots file on this host names the search and answer-engine crawlers explicitly, including GPTBot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, PerplexityBot and Google-Extended, and blocks none of them. Many small business sites block these bots by accident through a security plugin or a copied template, then wonder why AI answers never mention them. Check yours. It takes two minutes.

#### Lesson 6: Measure what the engines actually say

Structured data is an input; what the engines say is the outcome. Suede AI tracks answers directly. One example sits in our [evidence file](https://seo.suedeai.ai/evidence#google-web-guide): asked “Suede labs ai review”, Google’s Web Guide described Suede Labs AI as “highly rated by users, earning a 5/5 rating from verified reviews.” That is Google’s summary, captured and archived, not our wording. Captures like that tell you whether your structure is being read the way you intended.

For an ongoing check, [Suede Scan](https://optimize.suedeai.ai/) reviews a site’s AI readiness, and [Agentix](https://agentix.suedeai.ai/) grades agent-facing surfaces. Both came out of the same practice that shaped this guitar site.

#### Who is behind these lessons

Jason Colapietro founded Suede AI in 2024 in West Palm Beach as an agentic platform company; AI search visibility is one of its service lines. His training includes five Semrush Academy certificates, among them Local SEO Essentials and AI Search Operating System, HubSpot’s AEO Fundamentals certification and nine Claude Academy badges such as Model Context Protocol: Advanced topics, all in the [credential gallery](https://seo.suedeai.ai/evidence#training-credentials). Suede AI is a member of [Claude for Startups](https://seo.suedeai.ai/evidence#claude-for-startups), Anthropic’s startup program, and was accepted into the Stripe Startups program in July 2026.

#### Next step

Pick one lesson and check it on your own site this week; Lesson 5 is the fastest. If you want the full picture, Suede AI’s [technical SEO service](https://suedeai.agency/services/technical-seo) and [AI visibility work](https://suedeai.agency/services/ai-visibility) start with a [free assessment](https://suedeai.agency/assessment) for businesses in West Palm Beach, Jupiter and across Palm Beach County. You can read about [Jason Colapietro](https://suedeai.ai/founder) before you book.

## About guitar.services: Jason Colapietro's Guitar Directory

URL: https://guitar.services/about

What guitar.services is, how Jason Colapietro's guitar directory is put together, and where the engineering-grade signal chain guides live now.

guitar.services is a directory, not a publication. It links to what Jason Colapietro has published about guitar: two books, an engineering-grade signal chain reference, chord and scale libraries, and the tools built on top of them. The long-form signal chain guides live in Strumly's guide index at https://strumly.suedeai.ai/guides.

### Is guitar.services free?

The signal chain guides, the chord and scale references, and Strumly’s practice toolkit (tuner, metronome, ear training) are free to use. The two books are separate paid publications, sold through their own retail listings. This directory points to them.

### Who writes the guides?

Jason Colapietro, founder of Suede AI. He is a self-taught guitarist and the author of both books linked from this page; the guides are his writing, not aggregated or crowdsourced.

### How is this directory curated?

By hand. The list of surfaces on the home page is maintained directly by Jason as new guitar work ships. There is no submission form, no ads, and no third-party listings.

### Where did the engineering-grade signal chain guides go?

They used to live at guides.guitar.solutions. They have since moved into Strumly’s guide library at strumly.suedeai.ai/guides, alongside practice-methodology and rights & IP guides, so the long-form guitar writing lives in one place. guides.guitar.solutions now redirects there. The Signal Chain, the book, also started at guitar.solutions; its listing is now at strumly.suedeai.ai/book.

### What is the difference between guitar.solutions and guitar.services?

guitar.solutions is where The Signal Chain and the engineering-grade reference started; both now live inside Strumly, and the book’s listing is at strumly.suedeai.ai/book. guitar.services is this directory: a home page linking every surface Jason has published, four reference pages that summarize the book’s contents, the signal chain guides, the chord and scale library, and the practice tools, and this about page.

### Is guitar.services affiliated with Suede AI?

Yes. guitar.services is Jason Colapietro’s personal guitar directory, and Suede AI is the company he founded that builds Strumly, Suede Guitar Tuner & Studio, and Suede Social.

### Do I need an account to read the guides?

No. The guides are plain reference pages, with no login required. Strumly’s practice streak and rig builder need no sign-up either: the streak is tracked on your device, and the rig saves in your browser.