This Sunday John Fogerty and Big Head Todd and the Monsters will be performing at Civic Center Park. Their performances will be in memory of the fallen heroes of 9-11. In addition to the performances there will be a Flyover, 21-gun salute, and a procession led by the Colorado National Guard. The event begins at 1 p.m goes until 5 p.m. The event will be hosted by Governor John Hickenlooper and Mayor Michael Hancock. The event will be free! If you cant make it click the photo for the live stream.