The Clone Hero community has preserved almost every official Guitar Hero setlist. The most reliable sources are:

Rocks the 80s, Aerosmith, Metallica, Van Halen, and Smash Hits.

In Clone Hero, a is a compressed file containing a collection of songs, usually compiled by the community. These aren't just random MP3s; they are "charted" files. This means talented community members have programmed every note, drum beat, and star power phrase specifically for the game.