Sarah Nader - snader@shawmedia.com Ozzy Osbourne performs with Black Sabbath during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com Fans listen to Porter Robinson perform at the Perry stage during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com Thousands of fans wait for The Shins to go on during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com A man lays down while resting during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com Lead singer Taylor Goldsmith performs with Dawes during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com Griffin Goldsmith performs with Dawes during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com James Mercer performs with The Shins during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com Porter Robinson performs on the Perry stage during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com A fan sings along while listening to Dawes perform during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com A fan enjoys Porter Robinson's performance during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com Day one of Lollapalooza was held at Grant Park in Chicago on Friday, August 3, 2012.
Sarah Nader - snader@shawmedia.com Dr. Dog band members perform during day one of Lollapalooza held at Grant Park in Chicago on Friday, August 3, 2012.
