Gesture Synth

Practice

Learn to play songs on Gesture Synth, one chord gesture at a time.

Gesture Synth turns your webcam into a musical instrument: your left hand picks the scale degree and major or minor key, your right hand shapes the chord quality and octave. The songbook below turns that gesture language into playable charts — each song shows the exact hand shape for every chord, and the play-along player scores you against each target with a backing pad and metronome. New to the instrument?Start with our guide to picking your first song.

How it works

Left hand

Pick a scale degree

Raise 1–5 fingers for degrees I–V; index + pinky for VI, add the thumb for VII. Tilt your wrist to flip between major and minor.

Right hand

Shape the chord

1–4 fingers choose the chord quality, and your thumb shifts the octave up or down.

Match both

Follow the chart

Line both hands up to the target shape for each chord in the chart and the song rings out.

Guides

Songbook

16 songs