Press keyboard keys (A, S, D, F, G, H, J, K, L, semicolon, quote, W, E, T, Y, U, O, P) to play notes and see visuals.
Click "Play Random Notes" to start/stop automatic random note sequence in Random Notes Mode.
**Choose between "Random Notes Mode" and "Exercise Mode" below. Triangle wave tone with ADSR envelope for a piano-like feel. DEBUGGING LOGGING is still active - check browser console (F12).**