Firefly Music Festival 2012

June 20–22, 2012 The Woodlands of Dover International Speedway, Dover, DE The headliners for the 2012 festival included Jack White, The Killers, and The Black Keys. Each performer played as the final act for a separate night of the festival on The Firefly Stage, the largest stage at the event. Other notable acts included Death Cab for Cutie, John Legend, Bassnectar, Modest Mouse, and The Flaming Lips. Although Passion Pit was listed as a musical act for 2012, their performance was cancelled due to lead singer Michael Angelakos seeking ongoing treatment for bipolar disorder. Yeasayer was chosen as the replacement for Passion Pit's performance.

The 2012 schedule listed in order from latest performance in the day to earliest:

Friday, July 20 Jack White, Bassnectar, Silversun Pickups, Walk the Moon, John Legend, OK Go, Mayer Hawthorne & the Country, The Wallflowers, Matt Costa, Heartless Bastards, Blind Pilot, Turf War

Saturday, July 21 The Killers, Lupe Fiasco, Yeasayer, Trampled by Turtles, Modest Mouse, CAKE, Chiddy Bang, Young the Giant, Graffiti6, Grouplove, The Knocks, Michael Franti & Spearhead, Cults, Poliça, Charles Bradley and His Extraordinaries, The Felice Brothers, Kids These Days, Ra Ra Riot, Imagine Dragons, Moon Taxi

Sunday, July 22 The Black Keys, The Flaming Lips, Girl Talk, Allen Stone, Death Cab for Cutie, Tinie Tempah, Fitz and The Tantrums, Cold War Kids, Mariachi El Bronx, Awolnation, Bombay Bicycle Club, Reptar, The Head and the Heart, Penguin Prison, J Roddy Walston and the Business, Lower Case Blues