Rock Band Country Track Pack 2 is a standalone software product that let’s country music fans master guitar, bass, drums or vocals on 21 seminal country hits, hand-picked with care by Harmonix . This Track Pack can be played on its own in single-player, competitive, or collaborative band modes, and includes the added bonus of having the option to export all 21 songs from the disc into your Rock Band, Rock Band 2 and Rock Band 3 music library. This Track Pack is also compatible with all Rock Band and most other music game instrument controllers.