Hear and remember the harmony ideas you write down.

Esus2
Am6
C#11
B7#5
Em9

Set duration, voicing and articulation for the chord.

• add lead sheet view;
• set voicing (shell / drops / manual);
• split voices over 2 staves;
• add basic comping (bossa, swing, house, etc);
• allow some patterns (bossa, popped, etc);
• allow custom written voicings.

• add zustand;
• persist sketches in localstorage;
• settle for a serialisation format.