Photos: Summer heats up at FYF

Trent Reznor of Nine Inch Nails performs Sunday.

Trent Reznor onstage at Exposition Park in Los Angeles.

Nine Inch Nails frontman Trent Reznor performs.

Joey Purp performs at FYF in Exposition Park on Sunday.

Fans dance to the music of Joey Purp.

Joey Purp performs at FYF.

Iggy Pop performs at FYF Fest in Exposition Park in Los Angele.

A fan is escorted out of the pit by a security guard while Iggy Pop performs at FYF Fest in Exposition Park in Los Angeles.

Iggy Pop performs Sunday at FYF in Exposition Park.

A fan crowd surfs while Iggy Pop performs Sunday in Exposition Park.

Iggy Pop performs on the lawn stage Sunday at FYF.

Bardo Martinez of Chicano Batman performs Sunday at FYF Fest in Exposition Park.

Eduardo Arenas of Chicano Batman performs Sunday at FYF Fest in Exposition Park.

Salima Allen, 26, of Los Angeles watche Chicano Batman at FYF Fest in Exposition Park on Sunday.

Bardo Martinez of Chicano Batman performs Sunday at FYF Fest in Exposition Park.

Singers back up Chicano Batman at FYF Fest in Exposition Park on Sunday.

Bardo Martinez of Chicano Batman performs Sunday at FYF Fest in Exposition Park.

Clementine Creevy of Cherry Glazerr performs Sunday at FYF Fest in Exposition Park.

Cierra Fraser, 22, of Seattle dances to Cherry Glazerr’s set Sunday at FYF Fest in Exposition Park.

Clementine Creevy of Cherry Glazerr performs Sunday at FYF Fest in Exposition Park.

Frank Ocean performs at the FYF Fest in Exposition Park in Los Angeles on July 22, 2017.

Frank Ocean performs at the FYF Fest in Exposition Park in Los Angeles.

A fan enjoys the music at the FYF Fest in Exposition Park in Los Angeles.

Rapper Consequence performs onstage with A Tribe Called Quest at the FYF Fest in Exposition Park in Los Angeles.

Rapper Consequence performs onstage with A Tribe Called Quest at the FYF Fest in Exposition Park in Los Angeles.

Mayosha Long dances to the music of A Tribe Called Quest at the FYF Fest in Exposition Park in Los Angeles.

Q-Tip of A Tribe Called Quest performs at the FYF Fest in Exposition Park in Los Angeles.

Q-Tip of A Tribe Called Quest performs at the FYF Fest in Exposition Park in Los Angeles.

Ali Shaheed of A Tribe Called Quest performs at the FYF Fest in Exposition Park in Los Angeles.

MC Jarobi White of A Tribe Called Quest performs at the FYF Fest in Exposition Park in Los Angeles.

Rapper Consequence performs onstage with A Tribe Called Quest at the FYF Fest in Exposition Park in Los Angeles.

Jarobi White of A Tribe Called Quest performs at the FYF Fest in Exposition Park in Los Angeles.

Q-Tip of A Tribe Called Quest performs at the FYF Fest in Exposition Park in Los Angeles.

Ali Shaheed of A Tribe Called Quest performs at the FYF Fest in Exposition Park in Los Angeles.

Denitza Leon, left, of Buena Park and Ryan de Leon, of Pico Rivera at FYF Fest in Exposition Park in Los Angeles.

Adrianne Lenker of the Brooklyn band Big Thief performs Saturday at FYF Fest in Exposition Park.

Buck Meek performs Saturday with the Brooklyn band Big Thief at FYF Fest in Exposition Park.

Adrianne Lenker of Big Thief plays Saturday at FYF Fest in Exposition Park.

Adrianne Lenker of Big Thief plays Saturday at FYF Fest in Exposition Park.

Ricardo Morales of El Monte listens to Big Thief’s set Saturday at FYF Fest in Exposition Park.

Big Thief performs Saturday at FYF Fest in Exposition Park.

Mike Kinsella, left, and brother Tim Kinsella of Cap’n Jazz play FYF Fest in Exposition Park on Saturday.

A crowd watches Cap’n Jazz perform Saturday at FYF Fest in Exposition Park.

Tim Kinsella of Cap’n Jazz plays Saturday at FYF Fest in Exposition Park.

Mike Kinsella of Cap’n Jazz plays Saturday at FYF Fest in Exposition Park.

Tim Kinsella of Cap’n Jazz performs Saturday at FYF Fest in Exposition Park.

Tim Kinsella of Cap’n Jazz performs Saturday at FYF Fest in Exposition Park.

Tim Kinsella of Cap’n Jazz crowd surfs Saturday at FYF Fest in Exposition Park.

Tim Kinsella of Cap’n Jazz performs Saturday at FYF Fest in Exposition Park.

The rapper Noname performs Saturday at FYF Fest in Exposition Park.

Jocelyn Garcia of Anaheim, center, at FYF Fest in Exposition Park on Saturday.

Missy Elliott takes the Main Stage on the first day of the FYF Fest at Exposition Park in Los Angeles.

Missy Elliott performs at the FYF Fest on Friday in Los Angeles.

Missy Elliott is all smiles on the Main Stage at FYF Fest.

Wearing a lime-green face mask and a dress that made her look like a living party streamer, Icelandic singer Bjork belts out material from throughout her expansive catalog during her performance at FYF.

Helena Hauff works the turntable on the Outer Space Stage at FYF Fest at Exposition Park.

Survive performs on the Club Stage at the first day of the FYF Fest at Exposition Park.

The mood stays light as people dance to house music before Survive takes the stage Friday night.

A DJ takes a drag on a cigarette between sets on the Outer Space Stage.

Angel Olsen tosses her hair as she begins her performance at the Lawn Stage on Friday at FYF Fest.

Eoslin Farley, center, dances with friends Sierra Willows, left, and Ciara Farmer as the Beach Fossils perform on the Lawn Stage at FYF Fest on Friday.

Dustin Payseur leads the Beach Fossils in an early performance Friday on the first day of the FYF Fest at Exposition Park.

Markica Schulman, left, and Erin Savino stop for a photo as they enter Exposition Park for the three-day FYF Fest.