Firefly Music Festival has announced its daily lineup of bands that you can check out here. The festival is June 21-23 in Dover, Delware. The Red Hot Chili Peppers are playing on Friday, Tom Petty and The Heartbreakers on Saturday evening, Foster The People, Passion Pit and Vampire Weekend on Sunday. Single day tickets are also now available here. WXPN will be at the festival broadcasting live and we look forward to seeing everyone!