Use your Illusion I and II are great albums you can listen to pretty much anywhere. No one else, to the best of my knowledge, has ever released a double-header like that as a regular album. Two-disc releases are usually special occasion stuff, like Metallica's S&M or a greatest hits deal. Nope, G n' R did it as a regular release.
G & R Lies: Excellent acoustic set!
Appetite: Pretty good music all around
Use Your Illusion I & II: Great pair
The Spaghetti Incident: Don't bother
Interview with the Vampire soundtrack: Sympathy for the Devil cover! Also the last song the original members did as a band.
If you get the chance, watch VH1's Behind the Music episode on G n' R. Definitely first-rate!
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Flakbait [Delta6]
Delta Six's Flight SchoolPut the P-61B in Aces High