Thanks, it was great fun to play with and had a reasonable learning curve (in terms of 'click and see what happens').<p>One thing I noticed was that it began to stutter slightly once I built up a mildly complex melody. Nothing on my side seemed overly maxed out resource wise (<2% CPU, <1% memory usage) and I didn't dive in to the code to see what's up but the jitter/lag/stutter kinda ruined the 'groove'
Cool. Two minor things I'd change:<p>- When you hit the spacebar, start from the beginning.<p>- When you draw a note while the song is playing, don't play the note.