Black Sabbath, Metalicca (All albums up to and including S&M), KORN, Black Flag and Megadeath. These of course are the mainstream bands that I was most into. There were a lot of other bands that did not make it into the main stream because they were either black metal, death metal or both, but very talented none the less. These were bands like Bathory, Immortal and Sodom. Very talented people but a little too morbid for the mainstream and I have to say sometimes I was a little uncomfortable listening to someof their stuff, but the melody and music was unbelievable. My favorite pure metal bands of all time, and one that stuck to their roots was Pantera, Slayer and Mozart. Yeah, Mozart was the worlds first metal head.