As the title suggests, I'm doing it so as to only mention one album per band.
1. Led Zeppelin - IV
2. U2 - Achtung Baby
3. The Smiths - Hatful of Hollow
4. Days of the New - Orange
5. The Mars Volta - De-loused in the Comatorium
6. Pink Floyd - Meddle
7. The Tragically Hip - Fully Completely
8. The Stone Temple Pilots - Core
9. Megadeth - Rust in Peace
10. The Doors - LA Woman
I simply listed the Rock bands I listened to the most growing up... I wasn't trying to shaft many honorable mentions such as The Beatles, Stones, Cream, Metallica, Radiohead, Hendrix etc etc, all of which are great. I just listened to the above bands the most.