Firefly Music Festival 2013

June 21–23, 2013 The Woodlands of Dover International Speedway, Dover, DE

The headliners for the 2013 festival included Red Hot Chili Peppers, and Tom Petty and the Heartbreakers. Other notable acts included Vampire Weekend, Foster the People, Yeah Yeah Yeahs, The Avett Brothers, Calvin Harris, and Passion Pit.

Imagine Dragons was scheduled to be the only returning musical act between the 2012 and 2013 Firefly Music Festival. However, due to a scheduling conflict they had to cancel their performance and were replaced by Jim James. The Lumineers were also scheduled to perform, but cancelled for medical reasons. Ben Harper and Charlie Musselwhite replaced them in the lineup.