The Lollapalooza people have revealed the whole lineup. Arcade Fire, the Strokes, Lady Gaga, Green Day, the reunited Soundgarden, and Phoenix all serve as headliners at this year’s fest, which will take over Chicago’s Grant Park August 6-8. Other artists on the bill include MGMT, Spoon, the National, Hot Chip, Erykah Badu, the Black Keys, [...]