Petroglyph Rotation Kalimba

How to play:
True quarter-tone tuning, 24-EDO grid, root A3 = 220 Hz. Mouse, touch, or keyboard.

• Left cluster (Nomadic Minor, root position): keys 1 2 3 4 5 6 7 8
• Right cluster (Hijaz rotation, root on degree 5): keys Q W E R T Y U I