Guitar Hero Trainer: VGSPlayer 1.2 beta :

VGSPlayer is a Windows song player application for the PS2 game Guitar Hero™. It allows you to insert your game disc into your PC DVDROM drive and play back the songs while watching a scrolling view of the notes along with an animated fret board playing in sync with the music. NOTE: This is not a playable game and it does not support controller input at this time.