Firefly Music Festival is a music festival produced by Red Frog Events alongside Goldenvoice, that was first held on July 20–22, 2012, in Dover, Delaware. 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 over 100 performances held over the course of the festival in 2016. The festival is produced by Red Frog Events with Goldenvoice, with the hopes of having "an open-air festival on the East Coast with plenty of outdoor camping". The festival includes seven stages; The Porch Stage, The Lawn Stage, The Backyard Stage, the Treehouse, The Coffee House, The Pavilion and The Firefly Stage. Firefly offers three different passes options; general admission, VIP, and Super VIP.
Twenty One Pilots (stylized as TWENTY ØNE PILØTS) is an American musical duo originating from Columbus, Ohio. The band was formed in 2009 by lead vocalist Tyler Joseph along with former members Nick Thomas and Chris Salih, who eventually left in 2011, and currently consists of Joseph and drummer Josh Dun. The duo rose to fame in the mid–2010s after several years of touring and independent releases.
They put out two self-released albums, Twenty One Pilots in 2009 and Regional at Best in 2011, before being signed by Fueled by Ramen in 2012. Their label debut, Vessel, was released in 2013. The duo achieved breakthrough success with their fourth album, Blurryface (2015), which produced the successful singles "Stressed Out" and "Ride". In addition, the single "Heathens", recorded for the soundtrack of the film Suicide Squad, made the group the first alternative artist to have two concurrent top ten singles in the U.S. The duo has won a Grammy Award for Best Pop Duo/Group Performance.