Lollapalooza Day 2 August 5, 2011

Lollapalooza is an annual music festival featuring popular alternative rock, heavy metal, punk rock and hip hop bands, dance and comedy performances, and craft booths.

http://en.wikipedia.org/wiki/Lollapalooza

Official Website: http://www.songkick.com/concerts/8254806-lollapalooza-day-2-at-grant-park?utm_source=1126&utm_medium=partner