Many concert attendees had fun playing in the mud after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Many concert attendees had fun playing in the mud after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Joe Doyle Ward from Ireland gets muddy with friends at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Grant Park Chicago, Lollapalooza Day No.1 . Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 A youngster enjoys the music while on the shoulders of an adult during the concert Friday, August 5, 2011 | Scott Stewart~Sun-Times

Robin Crawford from Chicago cools off during Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Laura Espinza from Texas dances to Fritz and The Tantrums at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Grant Park Chicago, Lollapalooza Day No.1 Looking Northwest from the Wills Tower to the Northstage with the city skyline in the background Friday, August 5, 2011 | Scott Stewart~Sun-Times

Lollapalooza kicked of August 5 in Grant Park. The crowd screams out the lyrics during the MUSE set at Lollapalooza. | Curtis Lehmkuhl~Sun-Times Media

Pepe Jaramillo of Houston, TX, strikes a pose as he is photographed by a friend at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Crowd members scream out during The White Lies set on the Music Unlimited stage at Lollapalooza Friday. | Curtis Lehmkuhl~Sun-Times Media

Concert goers wear animal masks at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

People run through the crowd trying to get to Perry's stage for The Bloody Beetroots Death Crew 77 at Lollapallooza Friday. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Fans cheer as Maynard James Keenan of A Perfect Circle takes the Music Unlimited stage. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. A fan gets up on a person's shoulders for a better view of Tinie Tempah. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Audience members share a kiss before the A Perfect Circle set. | Curtis Lehmkuhl~Sun-Times Media

Grant Park Chicago, Lollapalooza Day No.1 The mosh dance to the rock music of "Kids These Days" Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Music loves stand inline for the portable potty's Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Big Red Balls were released into the music crowd Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Grant Park was the scene for music as Buckingham Fountain scene in the background Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 . Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 . Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 A large green gorilla is the backdrop as music loves enjoy the concert of "Kids These Days" Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Paramedics move a man to an ambulance from the medical tent Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 The mosh dance to the rock music of "Kids These Days" as hands hold up a young woman. Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Music lovers grab a curbside seat while enjoying food Friday, August 5, 2011 | Scott Stewart~Sun-Times

Concert goers cheer as the band Foster the People performs at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A concert goer vomits on his way to a performance at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Concert goers listen to the band Foster the People perform at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A concert goer walks past an oversized tent at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Concert goers fill the south lawn at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Bob Hostetler rests on a hammock at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A concert goer carries an inflatable totem pole at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A trio of concert goers nap on a lawn at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A concert goer is given medical aid before a show at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Concert goers walk past an oversized tent at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Concert goers lounge on a lawn at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Concert goers cheer as the band Foster the People performs at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A concert goer wears a backpack shaped like a goat at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Taylor Prokos and Shaina Holtz have a conversation at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A concert goer wears a bandana at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Concert goers watch the band Foster the People perform at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Concert goers cool off by way of a set of water mist fans at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

A concert goer, top right, is carried away from the crowd to receive medical aid at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Kaity Forde (front) from Edison Park and Rachel Torres from Indianapolis send texts in between sets at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Fans cheer while The Cool Kids play at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Andy and Anna Balek from Crystal Lake share a moment during Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

People trek for miles to get to Grant Park for Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Niki Patel (left) from LA and Frances Hamker from Texas dance to Fritz and The Tantrums at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Grounds get muddy from the rain at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Fans from Cincinnati, Ohio came to see Walk The Moon on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Chicagoan Polina Goncharova uses a map/guide for cover from the brief rain on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

This couple share a kiss during a brief shower on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Fans of Death From Above 1979 anticipate the start of the concert on the Bud Light stage Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

A crowd surfer makes it to the front during the Death From Above 1979 concert on the Bud Light stage Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

A concert attendee gets arrested by the Chicago Police after jumping the the Buckingham Fountain at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

A concert attendee gets arrested by the Chicago Police after jumping the the Buckingham Fountain at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

People walk from stage to stage at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Workers deliver ice at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans cheer while The Cool Kids play at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Security helps as fans crowd surf while The Cool Kids play at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Security helps as fans crowd surf while The Cool Kids play at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Lollapalooza founder Perry Farrell performs on the Kids stage while his son's watch. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Lollapalooza founder Perry Farrell performs on the Kids stage. His wife Etty watches with their children.Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans cheer for the Foo Fighters at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans cheer for the Foo Fighters at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Many concert attendees had fun playing in the mud after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

A couple share a kiss after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

A woman gets a piggy back ride through the muddy grounds after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

A strong late afternoon rain storm doesn't detour people from getting to the stage of their choice for the evening shows Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

A strong late afternoon rain storm doesn't detour people from getting to the stage of their choice for the evening shows Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Many concert attendees had fun playing in the mud after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Many concert attendees had fun playing in the mud after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Many concert attendees had fun playing in the mud after a strong late afternoon rain storm passed through the area Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Rain and mud at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans get excited while Arctic Monkeys performs at Lollapalooza in the rain. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans wait for Arctic Monkeys to preform at Lollapalooza. The show was delayed due to the rain. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Arctic Monkeys performs at Lollapalooza in the rain. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans take cover before Arctic Monkeys perform at Lollapalooza in the rain. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans get excited while Arctic Monkeys performs at Lollapalooza in the rain. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Fans at Arctic Monkeys during Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Security takes cover before Arctic Monkeys performs at Lollapalooza. The show was delayed due to the rain. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Storm clouds move in late in the afternoon on Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

A crowd surfer uses a raft during his surf to the front Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Crowd surfers moved to the music at Perry's Stage Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Crowd surfers moved to the music at Perry's Stage Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Crowd surfers moved to the music at Perry's Stage Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Mariah Vailahi of Chicago cheers as The Cars take the Music Unlimited stage Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Mariah Vailahi (Left) of Chicago cheers as The Cars take the Music Unlimited stage Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Crowd surfers move to the music at Perry's Stage Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Fans listen and move to the sounds of Daedelus at Perry's Stage Sunday August 7, 2011 during day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times