Contributed by desertburst92, Posted by John Gentile
Green Day and My Chemical Romance are two of the acts headlining the four day Firefly festival in Dover, Delaware. Over 100 bands are playing the four day festival, including Weezer, The Regrettes, Mannequin Pussy, and a bunch of other bands of all genres. The festival is September 22-25.You can see the full lineup below.