Press 1 to 9 to access instruments 1 to 9. Press 0 for instrument #10. Press Q, R, I, and P for instruments 11~14. Press Z, X, C, V, B, N, and M for instruments 15~21. Use the up arrow/right arrow/space key, or the instrument button to change instrument by 1, and use the left and down arrows to change it by -1. Click the keys, or use A, W, S, E, D, F, T, G, Y, H, U, J, K, O, and L for notes 60 to 74. Click one of the four speaker buttons to hear sound effects. Click the + and - buttons to set a tempo. Minimum tempo is 20 bpm, and maximum is 300. The orange box is for the instrument and the purple one is for the tempo.
This piano was inspired by the workstation keyboard. Thinking of pianos and keyboards inspired me to make this piano.