keys: c - clear song notes. buttons: play - plays song (what is in the list "song notes"). default song - makes "Mary had a litle lamb song". new song - lets you make new song. continue song - lets you continue adding things to "song notes". variables: volume - the volume. beats - the beats of the song. instrument - lets you choose one of the instruments in the "instruments list". There are more instructions in the game.
Thanks to cardecaba (scratcher)