Firefly Music Festival has announced the lineup for this years festival that takes place June 18th-21st, 2020 at The Woodlands in Dover, DE. This years lineup features Rage Against The Machine, Halsey, Billie Eilish, Blink 182 and Cage The Elephant as headliners. The festival also features Van Halen frontman David Lee Roth, Diplo, Run The Jewels, Rainbow Kitten Surprise, The Struts, Blackbear, Cold War Kids, Big Boi, K-Flay, Noah Cyrus and many more. The festival is being put on by AEG Events who are responsible for Coachella. Tickets for Firefly Music Festival go on sale on Monday, February 3rd. For more information, please click here.