Lollapalooza 2012 Lineup: Red Hot Chili Peppers, Black Sabbath, Black Keys

The Red Hot Chili Peppers, The Black Keys and Black Sabbath will be headlining Lollapalooza 2012, which will take place August 3-5th in Grant Park, Illinois. Other performers include Florence + the Machine, At The Drive-In, Jack White and The Shins.