I am a bit unclear on what exactly would be possible to "undo"? Only a single button push, or something more structured?
For example, if I rotate a knob (POS) to change track timing by 8 steps, would UNDO only move the track steps back by one knob click? If I change a track base note three times to find the correct note, would it only undo the last selection?
I guess I don’t understand what undo is for that makes it better than the current PLAY implementation?
Granted I almost never wish for an undo function, or use the PLAY mode either.