Press the keys on your keyboard's middle row (a,s,d,f on US
keyboards) for playing notes. The row above contains the black keys (w,e, t,y,u, o,p on US keyboards).
Shift keys increase pitch by one
octave.
Use the space bar to make the last note longer, or digits 1-9
to change the last note duration.
Use 0 to insert a rest.
Cursor keys move
cursor or change pitch of last note.
