It must have been quite hot in Coachella. Some of the folks near the stage removed their tops. Here's xtrapop's Flickr set. (photos are work safe) Link
Previously on Boing Boing:
• Coachella pt. 1: Björk's wild sound machines; report from the turf
• Coachella pt. 2: hipsters, robots, ravers, steampunk, 122 bands
• Coachella, pt. 3: plastic crunch, raver cruft, ghosts of desert past.