I came upon a clip of this in a Baha'i New Year's video created for a community in Winnipeg, Canada. Here's the whole clip, presented by Peter Owen Jones for the BBC:
The Naw Ruz video doesn't seem to be on You Tube, so you'll have to go to me Facebook profile page to watch that.
This guy traveled all over the world with his recording equipment, recording street musicians playing the same song, and then meshed it into one fantastic and inspiring tune. Just the feat of getting everyone to play it in the same key, in tune and in the same tempo is mind blowing. Very nice job. Music is, indeed, universal.