🎹 ChordCraft
Music theory playground — play chords, explore scales, build progressions
Instrument
Root Note
C
C♯ / D♭
D
D♯ / E♭
E
F
F♯ / G♭
G
G♯ / A♭
A
A♯ / B♭
B
Scale
Major (Ionian)
Natural Minor (Aeolian)
Harmonic Minor
Melodic Minor
Dorian
Phrygian
Lydian
Mixolydian
Locrian
Pentatonic Major
Pentatonic Minor
Blues
Whole Tone
Diminished (Half-Whole)
Waveform
△ triangle
∿ sine
⊿ saw
⊓ square
Volume
70
%
Reverb
30
%
Piano — click to play · keyboard shortcuts below
Keyboard: A S D F G H J K L = white keys (C D E F G A B C D) · W E T Y U O = black keys · Z/X = octave down/up
Scale Notes
Chord Library — diatonic chords in selected scale
Progression Builder
Common Progressions (click to load)
Your Progression — click chords above to add · click slot to remove
Click chords above to build a progression
▶ Play
Clear
Tempo
80
BPM
Chord Duration
2
s
Add 2+ chords to play a progression
Circle of Fifths
Scale Reference