UNLEASH YOUR INNER ROCK STARKiller soundtrack includes over 70 jaw dropping tracks. * Download More on Xbox LIVE: with Xbox LIVE,grab new songs,themes,and picture packs! Download exclusive songs and check where you rank on the Guitar Hero II: 360 Leaderboard. * Jam With Friends:Grab a friend and form your own rock band in Cooperative Mode! Want to see who can rule the stage the best? Go head-to-head with a friend in Pro Face-Off mode. * Practice Mode:A Rock Star’s Best Friend: It’s going to take some practice to sell out stadiums and have fans screaming your name!