The reason the keyboard in the current UI is there is so you can see most of the keys and play the piece on a real instrument. If I made it playable, people wo

The reason the keyboard in the current UI is there is so you can see most of the keys and play the piece on a real instrument. If I made it playable, people would just complain it's too small. A new "practice mode" is coming in an upcoming update that gives you a big enough keyboard and lets you practice one hand of the piece.