The four-day festival takes over Chicago’s lakefront park and turns up the volume thanks to Ryan Adams, Arcade Fire, Muse, Ron Gallo, Warpaint, Cage the Elephant, and others.
Ron Gallo
One of the festival’s lone rock ’n’ roll torchbearers (think Stooges-style chaos minus the blood) ends his set, fire extinguisher in fretting hand, with the high-voltage “Young Lady, You’re Scaring Me.”