U Mix by atom contains the actual rock band audio stems from the game. This allows you to play and hear the separate parts to improve your game chops or to simply have fun creating your own mixes of the songs. Revisiting these songs, atom looked at how he originally had intended the songs to be in their original form before specific (RockBand versions were made), and created new versions for you to hear. I'm coming home is a much more vibrant mix and contains elements not found in the RockBand version. You're Not Alone has a much more, straight ahead rock feel. Icon contains real bass, compared to the synth bass in the game. Light of Day contains a few new elements. You Take It all and Satellite are from studio sessions performed live. To The Otherside is remixed and remastered with a bit more punch and vocal clarity. Shake is the actual original version by atom with real recorded drums. A more straight ahead replaced version was used in the game.