Perry Farrell with Special Guest Slash on August 2 at Lollapalooza in Chicago.

Two festival goers on August 2, 2008 at Lollapalooza in Chicago.

Phoenix-born country singer Dierks Bentley performs on August 2 at Lollapalooza in Chicago.

Girl Talk a.k.a. Greg Gillis, on August 2 at Lollapalooza in Chicago.

Wearing a shirt that reads, People have the Power, Cat Power performs on August 1 at Lollapalooza in Chicago’s Grant Park.

Cat Power is the stage name of Charlyn Chan Marshall.

Lollapalooza, August 1-3 in Chicago, Illinois.

CSS at Lollapalooza, August 1, in Chicago, Illinois.

Lollapalooza, August 1-3 in Chicago, Illinois.

NYC’s Gogol Bordello performs its own brand of musical theater at Lollapalooza, August 1, in Chicago, Illinois.

Lollapalooza, August 1 in Chicago, Illinois.

Wilco on August 2 at Lollapalooza in Chicago.

A tattoo of Jake Blues, played by Chicago native John Belushi. Lollapalooza, August 1 in Chicago, Illinois.

Jeff Tweedy of Wilco and formerly Uncle Tupelo, performs on the Kids’ Stage at Lollapalooza, August 1, in Chicago, Illinois.

Lollapalooza, August 1 in Chicago, Illinois.

Louis XIV, of San Diego, California, performs at Lollapalooza, August 1, in Chicago, Illinois.

The Chicago skyline looms over concert-goers at Lollapalooza, August 1, in Chicago, Illinois.

Jack White of the Raconteurs, performs at Lollapalooza, August 1, in Chicago, Illinois.

Lollapalooza, August 1, in Chicago, Illinois.

What are you doing tonight? Lollapalooza, August 1, Chicago, Illinois.

CSS performs at Lollapalooza, August 1, in Chicago, Illinois.

Lollapalooza, August 1, in Chicago, Illinois.

CSS performs at Lollapalooza, August 1, in Chicago, Illinois.

Perry Farrell on August 2 at Lollapalooza in Chicago.

Mark Ronson performs on the MySpace Stage on August 3, 2008 at Lollapalooza in Chicago.

The crowd on the final day of Lollapalooza 2008, August 3.

Kanye West on August 3, 2008 at Lollapalooza in Chicago.

Chicago rapper Rhymefest performs with Mark Ronson on the MySpace Stage on August 3, 2008 at Lollapalooza in Chicago.

Girl Talk plays the Citi Stage and the crowd on August 3, 2008 at Lollapalooza in Chicago.

Cee-Lo of Gnarls Barkley on August 3, 2008 at Lollapalooza in Chicago.

Alternative hip hop performer and poet Saul Williams plays the Citi Stage on August 3, 2008 at Lollapalooza in Chicago.

Blues Traveler performs on August 3, 2008 at Lollapalooza in Chicago.

G. Love (Garrett Dutton III) of G. Love and The Special Sauce, performs on August 3, 2008 at Lollapalooza in Chicago.

The crowd on August 2 at Lollapalooza in Chicago.

Jamie Lidell on the MySpace Stage on August 2 at Lollapalooza in Chicago.

The crowd to see Mason Jennings on August 2 at Lollapalooza in Chicago.

Girl Talk on August 3, 2008 at Lollapalooza in Chicago.

A festival-goer on August 2 at Lollapalooza in Chicago.

The crowd on August 2 at Lollapalooza in Chicago.

Perry Farrell, the creator of Lollapalooza, on August 2 at Lollapalooza in Chicago.

English soul singer Jamie Lidell on August 2 at Lollapalooza in Chicago.

Folk/country singer Serena Ryder on August 2 at Lollapalooza in Chicago.

Chicago’s own Lupe Fiasco on August 2 at Lollapalooza in Chicago.

Lupepalooza (Lupe Fiasco) on August 2 at Lollapalooza in Chicago.

A festival-goer on August 2 at Lollapalooza in Chicago.

Cadence Weapon performs on Friday.

Spank Rock on August 2 at Lollapalooza in Chicago.

Spank Rock on the Citi Stage on August 2 at Lollapalooza in Chicago.