♪  Build progressions

Progression Lab

Build a progression and hear it come alive.

Stack chords into a progression, hear it played back, and see the numbers underneath. The sketchpad for writing and understanding the chord movements behind the songs you play.

Stack any chords

Build a progression chord by chord and loop it.

Numbers underneath

Every chord shown as a number so it works in any key.

Hear it back

Playback with the rich studio piano at your tempo.

How it works
1Add chords to build your progression.
2Loop it and hear how it moves.
3Read the numbers to take it to any key.
Start playing — it's free

Free account · in your browser · no install