Guitar Lab

Pick a key, build a progression, jam. Everything on one page.

Key
Scale / mode
Tuning
Tempo · 96 bpm
Strum
Bass line
Chords

Diatonic chords in C major

These are the chords that "belong" to your key. Click one to hear it and drop it into your progression. Colors show its job: tonic (home), subdominant (motion), dominant (tension).

Scale notes:

Starter progressions

Load a proven progression, then tweak it.

Your progression

The loop that plays. Remove a bar with ×, or clear and start over.

Chord shapes

How to actually play each chord. Click a diagram to hear it. Multiple voicings shown where available — pick whichever is comfy.

Fretboard — C Major Pentatonic

Notes you can noodle with over your progression. Tap any dot to hear it. Root notes are highlighted.

Scales for soloing / noodling — click to map it: