Lollapalooza 2014

Lead vocalist of Cage the Elephant, Matt Shultz, jumps into the crowd during the band’s performance on the stage at Lollapalooza in Grant Park.   (Jessica Tezak / Chicago Tribune)

Jack Pappas, left, and Jack Gorman, both of Chicago laugh as they try to drag one another into the mud before Cage the Elephant’s performance.  (Jessica Tezak / Chicago Tribune)

Becca Luft, left, and Payton White, of Carroll, Iowa, dance in the mud during Cage the Elephant’s performance.  (Jessica Tezak / Chicago Tribune)

Lead vocalist of Cage the Elephant, Matt Shultz, jumps into the crowd during the band’s performance.  (Jessica Tezak / Chicago Tribune)

Run The Jewels perform on the Palladia Stage at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

Trombone Shorty & Orleans Avenue perform at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

Bomba Estereo performs on the Bud Light Stage at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

Sydney Schmidt, 18, of Cedar Rapids, Iowa follows through on a cartwheel at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

Concert goers as the rain comes done while Bomba Estereo performs at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

A group of women cover themselves from the falling rain as Bomba Estereo performs at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

Bomba Estereo performs on the Bud Light Stage at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

The audience as Jhene Aiko performs on the Samsung Galaxy Stage at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

Jhene Aiko on the Samsung Galaxy Stage at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

A concert goer yells as Jhene Aiko sings on the Samsung Galaxy Stage at Lollapalooza.  (Jose M. Osorio / Chicago Tribune)

People arrive at Lollapalooza in Chicago’s Grant Park.  (Jose M. Osorio / Chicago Tribune)

A bicyclist pedals past the entrance to Lollapalooza at Grant Park.  (John J. Kim / Chicago Tribune)