Lollapalooza announced the daily lineup and released single-day tickets for the festival today. Four-day tickets have been on sale since Wednesday. The Chicago festival is spread across four days with over 180 bands. Headliners include some of the biggest names in music. The Strokes and Chainsmokers will headline on August 1, Childish Gambino and Tame Impala on August 2, Twenty One Pilots and J Balvin on August 3, and Ariana Grande and Flume will close the festival on August 4.