Firefly Music Festival's tagline is "The East Coast's Premier Music Experience." The festival takes place in The Woodlands of Dover International Speedway, an 105-acre festival ground, over the span of four days. Many nationally known musical acts performed at the festival, with headliners like Eminem, The Killers, Paul McCartney, Outkast, Mumford and Sons, and Red Hot Chili Peppers bringing down the house in recent years. Be sure to get your Firefly Festival passes on TickPick, where you'll save by paying NO service fees!