OH man, I went to UC Berkeley...I remember that group. They were always very entertaining. They were funny as hell. This is too funny, just walking up to a couple of random guys and doing that.
On the days before the Big Game (Cal vs. Stanford in football), they would interrupt some of the bigger lecture halls spontaneously and show a video of The Play
(the laterals with the band on the field), and they would sing the Berkeley fight song to everyone. They're a good group, one of the things that makes the university fun.