Ozzy, KISS, Korn, Slayer, Pig Destroyer, DEP & more playing Chicago Open AirOzzy, KISS, Korn, Slayer, Pig Destroyer, DEP & more playing Chicago Open AirThe metal/hard rock fest also includes Anthrax, Megadeth, Body Count, Lamb of God, Meshuggah, Rob Zombie, Behemoth, and more.Andrew SacherAndrew Sacher
