(Music Downloads Not Rated by the ESRB) Build your Rock Band library by purchasing this song game track pack: Anthrax Pack 01. This pack includes "Among the Living", "I'm the Man", "Indians", "Madhouse (Live)", and "Metal Thrashing Mad (Live)" by Anthrax. PLEASE NOTE: Rock Band game disc is required to play song game tracks. This song game track pack includes eight song game tracks at a discounted rate over individual purchases. Many Rock Band songs are available as both a multipack and as a single game track. These songs are exactly the same. It is possible to download the same song twice. For song credits, visit www.RockBand.com. Compatible with Rock Band 3 and Rock Band Blitz.