I agree with those that said:
Carcass-Heartwork
Dream Theater-Metropolis Pt. 2: Scenes from a Memory
Queensryche-Operation: Mindcrime
Metallica- Master of Puppets
Nevermore- Dreaming Neon Black
Circus Maximus- The 1st Chapter
I'll add:
Cannibal Corpse- The Wreched Spawn
Andrew Lloyd...