Product Description The 20-Track Pack features an electrifying mix of classic hits and current favorites, including songs by Boston, Nine Inch Nails, Stone Temple Pilots, and All American Rejects. Amazon.com Keep on Rockin'Rock Band Track Pack Volume 1 is a musical expansion to Rock Band, the collaborative, competitive, and single player music game. Rock Band lets you and your friends form your own band and live out your rock and roll fantasies to music’s greatest soundtrack.Created by Harmonix, Rock Band lets gamers to experience music, giving players the chance to rock out in the shoes of the biggest guitarists, bassists, drummers and singers of all time - as a solo superstar or as part of a hard rocking band.Rock Band Track Pack Volume 1 is a standalone software product that allows owners of Rock Band Special Edition or Rock Band peripherals to keep the party going with 20 hit songs from the pantheon of rock music, hand-picked with care by Harmonix.