Elevator maybe this BECUASE it hard to control
Answer: In most modern digital audio workstation software, the term "piano roll" is used to refer to a graphical display of, and means of editing, MIDI note data; as well as entering the pitch, length and velocity of notes manually, instead of recording the output of a keyboard or other device for entering note data.
Answer:
I got two pics on the web.
Hope it helped!!!
