You’ve got to check out Playing for Change (peace through music). This outfit has people from all over the world playing on a single track!
Here is some info about this song:
“This Song Around The World is a folk tune from Chennai, India. We started the track in New Orleans and added musicians from the across the globe before finally delivering it the people of it’s origin. We ended up in Chennai recording and filming the vocals from the Oneness Choir. The track has a feeling of perseverance and joy and features vocalists from four continents.”
Listen to the song!