Gallery: On the Scene at Firefly 2017

Yahoo Music Staff

Summer festival season is officially underway! See rock’s biggest stars burn bright at this year’s Firefly Festival in Dover, Delaware.

Muse

Matt Bellamy of Muse performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

AFI

Davey Havok of the band AFI performs on Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

AFI

AFIDavey Havok (L) and Jade Puget of AFI perform onstage during the 2017 Firefly Music Festival on June 16, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

AFI

Davey Havok of the band AFI performs on Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

Weezer

Rivers Cuomo of Weezer performs onstage during the 2017 Firefly Music Festival on June 16, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Weezer

Rivers Cuomo, left, and Scott Shriner of the band Weezer perform on Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

The Shins

James Mercer of The Shins performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Bleachers

Jack Antonoff of Bleachers performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Kesha

Kesha performs onstage during the 2017 Firefly Music Festival on June 17, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

OK Go

Damian Kulash of OK GO performs onstage during the 2017 Firefly Music Festival on June 16, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

The Weeknd

The Weeknd performs onstage during the 2017 Firefly Music Festival on June 17, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

The Weeknd

The Weeknd performs onstage during the 2017 Firefly Music Festival on June 17, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Chance the Rapper

Chance the Rapper performs onstage during the 2017 Firefly Music Festival on June 17, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Firefly Music Festival

Music fans enjoy Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

Phantogram

Sarah Barthel, left, and Josh Carter of the band Phantogram perform on Day 4 of the 2017 Firefly Music Festival at The Woodlands on Sunday, June 18, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

Thirty Seconds to Mars

Jared Leto of Thirty Seconds to Mars performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Thirty Seconds to Mars

Jared Leto of Thirty Seconds to Mars performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Wale

Wale performs onstage during the 2017 Firefly Music Festival on June 17, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Busta Rhymes

Rapper Busta Rhymes performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Franz Ferdinand

Alex Kapranos of the band Franz Ferdinand performs on Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

Miike Snow

Andrew Wyatt of the band Miike Snow performs on Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

Banks

Banks performs on Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

Banks

Banks performs on Day 2 of the 2017 Firefly Music Festival at The Woodlands on Friday, June 16, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

Twenty One Pilots

Josh Dun (L) and Tyler Joseph of Twenty One Pilots perform onstage during the 2017 Firefly Music Festival on June 16, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Capital Cities

Sebu Simonian (L) and Ryan Merchant of Capital Cities perform onstage during the 2017 Firefly Music Festival on June 17, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Wale

Wale performs on Day 3 of the 2017 Firefly Music Festival at The Woodlands on Saturday, June 17, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

MisterWives

Mandy Lee of the band MisterWives performs on Day 4 of the 2017 Firefly Music Festival at The Woodlands on Sunday, June 18, 2017, in Dover, Del. (Photo by Owen Sweeney/Invision/AP)

MisterWives

Mike Murphy, Mandy Lee, Etienne Bowler, and William Hehir of MisterWives performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Lil Dicky

Rapper Lil Dicky performs onstage with a fan during the 2017 Firefly Music Festival on June 16, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Daya

Daya performs onstage during the 2017 Firefly Music Festival on June 17, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

Firefly Music Festival crowd

Fans crowdsurf as Thirty Seconds to Mars performs onstage during the 2017 Firefly Music Festival on June 18, 2017 in Dover, Delaware. (Photo by Kevin Mazur/Getty Images for Firefly)

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