CHICAGO -- The speakers boomed the theme from "Star Wars" over the empty expanses of Grant Park, the gates opened, and the kids came on through. They were just a trickle at first, then a heavy flow, and finally a steady surge, sprinting and screaming, kicking clouds of dust up into the air. Lollapalooza 2010 was officially under way.
B.o.B Kicks Off Lollapalooza: Watch Exclusive Footage Here!
