).so, there's a website called playingforchange.com who travel around the world to record well-known songs by putting all kinds of international (street) musicians together, letting them each play the song and then editing it as one song/band. very cool
for example, check out stand by me: http://vimeo.com/moogaloop.swf?clip_id=2539741apparently though, bono took part in this, too! he sings a couple of parts in war/no more trouble, here: