"U2" live on N.Y.C. rooftop

[zoo99]

I've seen the pictures before and heard about what happened, but I stumbled across this video, pretty funny.
This took place during the first leg of Vertigo in New York, They're some sort of improv group.

http://movies.college humor.com/items/2005/07/collegehumor.1596915.mp4

delete the space between college and humor to make the link work