Sarah Nader - snader@shawmedia.com Fans listen to the Red Hot Chili Peppers during day two of Lollapalooza in Grant Park on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com Concert goers where forced to the streets of Chicago after a thunder storm hit Chicago and forced Lollapalooza to delay day two of the three day music festival on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com The Red Hot Chili Peppers perform during day two at Lollapalooza in Grant Park on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com Concert goers slide in the mud after a rain storm flooded Grant Park during day two at Lollapalooza in Chicago on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com Thousands of concert goers leave Grant Park during a rain delay on day two at Lollapalooza in Grant Park on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com The Chicago skyline during day two at Lollapalooza in Grant Park on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com The Weekend performs during during day two at Lollapalooza in Grant Park on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com Concert goers get ready to slide in the mud after a rain storm flooded Grant Park during day two at Lollapalooza in Chicago on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com Concert goers play in the mud after a rain storm flooded Grant Park during day two at Lollapalooza in Chicago on Saturday, August 4, 2012.
Sarah Nader - snader@shawmedia.com Concert goers dance in the mud after a rain storm flooded Grant Park during day two at Lollapalooza in Chicago on Saturday, August 4, 2012.
