[Helm]

here's my (somewhat updated) list again, but only the essentials in each genre.

Doom Metal
Candlemass, My Dying Bride, Trouble, Black Sabbath, Paradise Lost (in Lost paradise), Anathema (first album), Cathedral (Forest Of Equilibrium only), Skepticism, Thergothon, Unholy, Winter, Funeral

Death Metal
Deicide, Cannibal Corpse, Immolation, Incantation, Malevolent Creation, Grave, At The Gates, Dismember, Entombed(Left Hand Path only), Death, Morbid Angel, Cynic, Atheist, Suffocation

Black Metal
In The Woods..., Arcturus, Ulver.

Thrash Metal
Metallica, Anthrax, The Haunted, Sacred Reich, Destruction, Kreator, Hellhammer, Celtic Frost, Testament, Sepultura, Sodom, Dark Angel, Floatsam and Jetsam.

Epic Metal
Manilla Road, Omen, first record Heir Apparent, Virgin Steele

Heavy Metal
Iron Maiden, Diamond Head, Mercyful Fate, King Diamond, Diamond Head, Angelwitch


Power Metal
Nevermore (Politics Of Ecstasy era), Sanctuary, Helloween (up and including Keeper 2, especially Walls of Jericho and the Judas EP), Crimson Glory, Tokyo Blade, Jag Panzer

Progressive Metal
Fates Warning, Queensryche, Savatage, Psychotic Waltz, Watchtower, Sieges Even, latter day Heir Apparent, Jester's March, Believer, Coroner, Spiral Architect, Mordred, Savior Machine


Progressive Rock (ommited, not relevant)
Grind
Vomitorial Corpulence, The Dillinger Escape Plan, Extreme Noise Terror, Napalm Death, Crephallic Carnage, Discordance Axis, Agoraphobic Nosebleed, Pig Destroyer.

Noise
Merzbow, DeadGuy, Anal Cunt, Today Is The Day.