Dave Grohl from the Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Dave Grohl from the Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Dave Grohl from the Foo Fighters performs at Lollapalooza. | Tamara Bell~Sun Times Media

Dave Grohl from the Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Dave Grohl from the Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Dave Grohl from the Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

The Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Drummer Taylor Hawkins from the Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Dave Grohl from the Foo Fighters performs at Lollapalooza. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

The Cars perform on the Music Unlimited stage Sunday afternoon August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

The Cars perform on the Music Unlimited stage Sunday afternoon August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

The Cars perform on the Music Unlimited stage on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Imelda May performs on the Sony stage Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Imelda May performs on the Sony stage Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Imelda May performs on the Sony stage Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Lollapalooza founder Perry Farrell performs on the Kids stage. | Tamara Bell~Sun Times Media

Lollapalooza founder Perry Farrell performs on the Kids stage. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Lollapalooza founder Perry Farrell performs with Peter DiStefano of Porno for Pyros on the Kids stage. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

Lollapalooza founder Perry Farrell performs with Peter DiStefano of Porno for Pyros on the Kids stage. Sunday, August 7, 2011. | Tamara Bell~Sun Times Media

The Cool Kids perform on Perry's stage Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

The Cool Kids perform on Perry's stage Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

The Cool Kids perform on Perry's stage Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

The Cool Kids perform on Perry's stage Sunday August 7, 2011 on day three of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

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

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

Eminem at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Cee Lo Green looks out into the massive crowd at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Eminem at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Patrick Stump performs on the BMI stage on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Eminem at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Big Audio Dynamite plays at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

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

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

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

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

Isom Innis of the band Foster the People performs at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

The band Delta Spirit performs at Lollapalooza Friday, August 5, 2011, at Grant Park in Chicago. | John J. Kim~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Lollapalooza kicked of August 5 in Grant Park. Maynard James Keenan performs with his band A Perfect Circle. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. MUSE starts off their opening track of their set at Lollapalooza. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Maynard James Keenan performs with his band A Perfect Circle on the Music Unlimited stage. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Billy Howerdel performs with A Perfect Circle. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Drummer Josh Freese performs with A Perfect Circle. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Fans pose for a picture during the Two Door Cinema Club set at the Sony stage. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Maynard James Keenan pauses on stage with his band A Perfect Circle. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Co-founder of A Perfect Circle Billy Howerdel performs with the band. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Matthew Bellamy of MUSE performs with the band at Lollapalooza. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Maynard James Keenan of A Perfect Circle opens up the first song with Billy Howerdel on piano. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Former Smashing Pumpkins guitarist James Iha (right) and Billy Howerdel perform with their band A Perfect Circle. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Tim Nordwind of OK Go performs with the band. | Curtis Lehmkuhl~Sun-Times Media

Muse, with Matthew Bellamy, takes center stage Friday night at Day 1 of Lollapalooza. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. OK Go breaks into the first song of their set. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Dan Konopka of OK Go gets the crowd excited. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Damian Kulash of OK Go rips into the first song of their set. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Matthew Ballamy of MUSE breaks into the first track at Lollapalooza. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Dominic Howard of MUSE starts off their second song. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. MUSE perform the third song of their set at Lollapalooza. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. MUSE begins their set at Lollapalooza. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Christopher Wolstenholme of MUSE plays with the band. | Curtis Lehmkuhl~Sun-Times Media

Lollapalooza kicked of August 5 in Grant Park. Matthew Bellamy of MUSE plays a guitar solo. | Curtis Lehmkuhl~Sun-Times Media

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Lollapalooza kicked of August 5 in Grant Park. Christopher Wolstenholme of MUSE looks out into the crowd. | Curtis Lehmkuhl~Sun-Times Media

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park, Chicago, Lollapalooza Day No.1: Kids These Days perform live Friday, August 5, 2011. | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 Chris Martin of Coldplay performs live on the Northstage at Lollaplooza Friday, August 5, 2011 | Scott Stewart~Sun-Times

Grant Park Chicago, Lollapalooza Day No.1 The Northstage of Lollapalooza while Coldplay performs with the City skyline in the background. Friday, August 5, 2011 | Scott Stewart~Sun-Times

Big Audio Dynamite plays at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Big Audio Dynamite plays at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Big Audio Dynamite plays at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Big Audio Dynamite plays at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Patrick Stump performs on the BMI stage on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Patrick Stump performs on the BMI stage on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Skylar Grey performs on the BMI stage on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Big Audio Dynamite plays at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Patrick Stump performs on the BMI stage on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Skylar Grey performs on the BMI stage on Saturday August 6, 2011 during day two of Lollapalooza in Grant Park. | Tom Cruze~Sun-Times

Basest for Cee Lo Green at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

The basest for Cee Lo Green at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

The basest for Cee Lo Green at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Cee Lo Green at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Eminem at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Eminem at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media

Fans during Eminem at Lollapalooza. Saturday, August 6, 2011. | Tamara Bell~Sun Times Media