3 Months Ago, Fragland.net says (in News: Old tracks able to be imported in Guitar Hero 5) It's something we've wanted to do for a while now. They are separate licenses, so we need to go back and re-license previous content. So, songs from World Tour, songs from the download space, songs from Smash Hits that will technically work in Guitar Hero 5 and Band Hero had to be renegotiated....

And Karl B. from Xbox 360 says (in Activision: World Tour, Smash Hits tracks can be imported to Guitar Hero 5) Guitar Hero competitor Rock Band already allows gamers to import on-disc tracks from the first game to the sequel, and now Activision is finally ready to add a similar forward compatibility feature to Guitar Hero 5 (PS3, Xbox 360, Wii).

6 Months Ago, Cinema Blend says (in Full List Of Bands For Guitar Hero 5) Activision isn't quite ready to drop the Guitar Hero 5 track list on us. They did, however, the full list of artists that will appear in the game. It'll do for now