Other headliners include Tom Petty and the Heartbreakers, Vampire Weekend, and Foster the People
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Red Hot Chili Peppers will help bring the Firefly Music Festival back for a second year. They're among the headliners for this summer's concert event in Dover, Delaware, along with Tom Petty and the Heartbreakers, Vampire Weekend and Foster the People.
Other performers include the Lumineers, Grizzly Bear, Yeah Yeah Yeahs, Alabama Shakes, the Avett Brothers, Japandroids and many more.
The second annual Firefly Music Festival is scheduled to take place June 21st to the 23rd at the Woodlands of Dover International Speedway. The full lineup and more information about the event is available at FireflyFestival.com.

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