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Troy Van Leeuwen of Queens of the Stone Age performs at Lollapalooza, Aug. 2, 2013.
The music festival Lollapalooza is marking its ninth anniversary in Chicago's Grant Park. The sold-out festival features Nine Inch Nails, The Cure, Mumford and Sons, and The Killers.
By CBSNews.com senior producer David Morgan
Credit: Jake Barlow/CBS News
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The three-day festival, which opened Friday, August 2, 2013, is expected to draw 300,000.
Credit: Jake Barlow/CBS News
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Heavy rain overnight and early Friday morning turned Grant Park into a muddy mess just hours before the start of the festival, but that didn't deter fans from showing up.
Credit: Jake Barlow/CBS News
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Guitarist and lead vocalist Josh Homme of Queens of the Stone Age performs at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Troy Van Leeuwen of Queens of the Stone Age performs at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Dean Fertita of Queens of the Stone Age performs at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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A fan attends Lollapalooza, at Grant Park in Chicago, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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A fan attending Lollapalooza who was being kicked tried to run from security, but was tackled, at Grant Park in Chicago, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Bass player Ashish Vyas performs with Thievery Corporation, at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Rob Garza, of the Washington, D.C.-based duo known as Thievery Corporation, performs at Lollapalooza in Chicago, August 2, 2013.
Credit: Jake Barlow/CBS News
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DJ Eric Hilton, of the Washington, D.C.-based duo known as Thievery Corporation, performs at Lollapalooza in Chicago, August 2, 2013.
Credit: Jake Barlow/CBS News
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Guitarist/sitarist Rob Myers performs with Thievery Corporation, at Lollapalooza in Chicago, August 2, 2013.
Credit: Jake Barlow/CBS News
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Jana Andevska performs with Thievery Corporation, at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Jana Andevska performs with Thievery Corporation, at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Frank "Booty Lock" Mitchell performs with Thievery Corporation, at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Brazilian vocalist Seu Jorge performs with Thievery Corporation, at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Brazilian vocalist Seu Jorge performs with Thievery Corporation, at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Bass player Ashish Vyas performs with Thievery Corporation, at Lollapalooza at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Fans attend Lollapalooza, at Chicago's Grant Park, Friday, August 2, 2013.
Credit: Jake Barlow/CBS News
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Trent Reznor of Nine Inch Nails performs at Lollapalooza, in Chicago's Grant Park, August 2, 2013.
Credit: Jake Barlow/CBS News
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Robin Finck of Nine Inch Nails performs at Lollapalooza, in Chicago's Grant Park, August 2, 2013.
Credit: Jake Barlow/CBS News
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Alessandro Cortini of Nine Inch Nails performs at Lollapalooza, in Chicago's Grant Park, August 2, 2013.
Credit: Jake Barlow/CBS News
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Drummer Ilan Rubin of Nine Inch Nails performs at Lollapalooza, in Chicago, August 2, 2013.
Credit: Jake Barlow/CBS News
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Josh Eustis of Nine Inch Nails performs at Lollapalooza, in Chicago's Grant Park, August 2, 2013.
Credit: Jake Barlow/CBS News
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Robert Smith of The Cure performs during Lollapalooza 2013 at Grant Park on Aug. 4, 2013, in Chicago.
Credit: Theo Wargo/Getty Images
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Lollapalooza founder Perry Farrell poses backstage with Shawn White of Bad Things during Lollapalooza 2013 at Grant Park on Aug. 3, 2013, in Chicago.
Credit: Theo Wargo
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Rapper 2 Chainz performs during Lollapalooza 2013 at Grant Park on Aug. 4, 2013, in Chicago.
Credit: Theo Wargo/Getty Images
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Trent Reznor of Nine Inch Nails performs during Lollapalooza 2013 at Grant Park on Aug. 2, 2013, in Chicago.
Credit: Theo Wargo
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Charles Bradley performs during Lollapalooza 2013 at Grant Park on Aug. 3, 2013, in Chicago.
Credit: Theo Wargo
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Este Haim of Haim DJs as MAC Cosmetics and Haim celebrate Lollapalooza Weekend at Vertigo Sky Lounge on Aug. 4, 2013, in Chicago.
Credit: Daniel Boczarski
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Sky Ferreira looks on as DIIV performs during Lollapalooza 2013 at Grant Park on Aug. 4, 2013, in Chicago.
Credit: Theo Wargo/Getty Images
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Marcus Mumford of Mumford & Sons performs during Lollapalooza 2013 at Grant Park on Aug. 3, 2013, in Chicago.
Credit: Theo Wargo
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Nine Inch Nails.
Credit: Jake Barlow/CBS News
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Staff of the Lollapalooza Music Festival spray water on the crowd, Saturday, August 3, 2013. Temperatures in Chicago were near 80 degrees.
Credit: Jake Barlow/CBS News
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A festive festivalgoer at Lollapalooza, at Chicago's Grant Park, Sat., August 3, 2013.
Credit: Jake Barlow/CBS News
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Evidently it wasn't too hot to wear a mask - at Lollapalooza in Chicago, Sat., August 3, 2013.
Credit: Jake Barlow/CBS News
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Credit: Jake Barlow/CBS News