Weezer, Foo Fighters, Twenty One Pilots, more announced for Firefly Music Festival

Firefly Music Festival has come out swinging with one of the best festival lineups of the year thus far, including Imagine Dragons, Weezer, Twenty One Pilots, Foo Fighters, Third Eye Blind, Outkast, Childish Gambino, Young The Giant, Local Natives, Tegan And Sara, City And Colour, Jack Johnson, Sleigh Bells and more.

The four-day music festival will take place June 19-22 at The Woodlands in Dover, DE. Check out the official Firefly announcement video (including an awesome song mashup) below!

Tickets for Firefly 2014 go on sale January 20. Head on over to fireflyfestival.com for more info!