Hear & analyse
MIDI Chord AnalyzerPlay it, see the chord and its numberEar TrainerIntervals and chord qualities by earPiano RollWatch a MIDI file fall into placeHarmonic SimilarityCompare two progressions side by sideVoice & reharmonise
Chord & Voicing LabInversions and rich voicingsReharmonization EngineFresh changes for a familiar songProgression LabMap a progression in any keyCircle of FifthsKeys, relationships and modulationsPiano Modes LabScales and modes under your fingersRehearse & perform
GrooveLockLive backing grooves to play overSound VaultCues, MD calls and loop padsSmart MetronomeSubdivisions and a tempo trainerGig ModeSetlist, one-tap transpose, stage viewMultitrack StudioMix stems and bounce in the browserLive SessionsPlay live with another musicianSee every studio toolTurn 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.
Free account · in your browser · no install