This is pretty cool. (http://www.youtube.com/watch?v=LlvUepMa31o&mode=related&search=) Hearing music being played but then seeing a "color score" too and seeing where notes go. No notes or staves, just colored bars. They moves along as each note is played.
You certainly get to see the 'architechure' as it were of the works :)
Heh. You can get various MIDI programs to do something very similar.