Are you ready to rock? The Rock Band Metal Track Pack is a musical expansion to the Rock Band platform, the smash-hit collaborative, competitive, and single-player music game experience. Rock Band lets you and your friends form your own band and live out your rock and roll fantasies to music's greatest soundtrack. Rock Band Metal Track Pak allows owners of Rock Band and Rock Band 2 to keep the party rockin' hard all night long with 20 seminal hits from the heyday of heavy metal and beyond, hand-picked with care by Harmonix.