After rumors have been fluttering around for the past few days, MTV Games has officially announced that Green Day is heading exclusively to Rock Band.

“Green Day not only rock hard, but are also epic storytellers,” said Van Toffler, President, MTV Networks, Music, LOGO and Film. “Their message and their music have been the voice and sound of this generation. The addition of Green Day is a huge victory for MTV and our audience, and marks another landmark in our efforts to bring the best artists to Rock Band.”

The first selection of Green Day songs to arrive on Rock Band as downloadable content will be a three-pack of songs from their latest release, 21st Century Breakdown on July 7th including: 21 Guns, Know Your Enemy, East Jesus Nowhere. Additional Green Day songs and projects will be announced at a later date.