♬ Send this progression to Conjure · build a full track (drums, bass, lead) on these chords

Chord Progression Builder

Pick a key + mode - tap chords to hear them and build a progression.

A starting point, not a replacement. Sketch a progression to get unstuck, then make it your own.

Key & scale

Scale / mode

Diatonic chords

Tap to hear + add to progression

Sequencer (tap chords to fill · drag to reorder)

Length

tap a chord above to start building

BPM

Bars per chord

Sound

MIDI out + export (live to synth · or download .mid)

Not connected - Web MIDI required (Chrome / Edge)

Loops

Doom presets

Sabbath: i→bVII→bVI · Phrygian Wall: i→bII→i→bII · Descent: i→bVII→bVI→bV · Devil: i→bV→i (tritone)

Your progressions (saved in this browser)

Riffwork - a chart editor built for the stage