Besides audio, a search for "Guns N' Roses mp3 archive.org" will also lead you to a wealth of secondary material:
This is the real goldmine. You'll find numerous audience recordings, soundboard captures, and FM radio broadcasts of Guns N' Roses shows from every era of their career. A notable example includes a soundboard recording of their performance from . This show, which took place during the "Chinese Democracy Tour," features the band's lineup at the time, including guitarist Buckethead, and offers a fascinating snapshot of the band's evolution. guns n roses mp3 archive.org
The archive offers a wide variety of recordings spanning the band's career: Besides audio, a search for "Guns N' Roses mp3 archive
The platform archives historical radio broadcasts and unreleased live media under digital preservation and fair use guidelines. including guitarist Buckethead