Canadian electronic duo Crystal Castles played a late night set to a packed tent full of fresh-faced kids and did what they do best — strobe the hell out of the place and create utter chaos. Alice Glass spared no time before she jumped right into the crowd, screaming to giddy kids trying desperately to grab at her. If you didn't come away from the show blinded for the next hour, you clearly weren't paying enough attention.—Carrie Musgrave