[sdiy] interesting/inspiring user interface for an arpeggiator

[nvawter at media.mit.edu]

(note, super huge picture)
http://tinkartank.files.wordpress.com/2012/04/img_0755.jpg

It's got a drawn staff with toggle switches placed along the the lines  
and spaces, one for each note.  It's also got some other nice-looking  
features.