The folks over at Joystiq have combed the internet, press releases and who knows what else to compile an unofficial track list for Guitar Hero 5.
It is a rather lengthy list and can be looked over through here.
What we're curious over is why a voice box won't be included with the game for the Peter Frampton song.
Seriously. That would be pretty damn cool - as if the Johnny Cash character isn't enough to make you buy it.