Turn a plain progression into a rich one.
Play or enter a chord and the engine suggests richer ways to voice and connect it — passing chords, 2-5-1s, substitutions, the moves that make simple songs sound full. Your reharmonization co-pilot.
Passing chords, substitutions and richer voicings on tap.
Play a chord and get reharmonization ideas in real time.
Genre-neutral options — pick the ones that fit your song.
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