This summer, Delaware’s going to be brimming with the sounds of plenty of great musical acts. The Firefly Music Festival will be hitting Dover, Delaware this June. This year’s lineup includes awesome acts such as the Yeah Yeah Yeahs, Tom Petty and the Heartbreakers, Vampire Weekend, the Avett Brothers, MGMT, Grizzly Bear, Alabama Shakes, Edward Sharpe & the Magnetic Zeros, Dr. Dog, Japandroids, Toro Y Moi and others. If you act quickly, you can snag one of the limited Early Bird three-day passes priced at $198. They will go on sale tomorrow. The standard prices for all other tickets will range from $218 to $258. Last year’s festival included performances from the Black Keys, Jack White, the Killers, the Flaming Lips, Modest Mouse and more. You can see this year’s full lineup on the festival website. The Firefly Music Festival will be held at Delaware’s Dover International Speedway from June 21-23.