Build your Rock Band 3 library by purchasing this song game track pack: Ozzy Osbourne 8-Pack. This pack includes "Mama, I'm Coming Home + (pro)", "Bark at the Moon + (pro)", "Mr. Crowley", "Diary of a Madman", "I Don't Know", "Flying High Again", "Steal Away (The Night)", and "Over the Mountain" by Ozzy Osbourne. PLEASE NOTE: Rock Band 3 game disc is required to play song game tracks. This song game track pack includes 8 song game tracks at a discounted rate over individual purchases. Many Rock Band 3 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.