1349, ...Aaaaarrgggh..., Abigor, Ablaze My Sorrow, Abominable Putridity, Abruptum, Absu, Absurd, Abyssic Hate, Abysmal Sorrow, Accept, Achocarlos, Acid King, A Cloud in Circle, Ad Hominem, Adorior, Adultery, Aerosmith, Aesculetum, Aesthenia, A Forest of Stars, Agalloch, Ahab, Alcest, Alestorm, Alice Cooper, Alice in Chains, Alien Vampires, Almighty Emperor, Altaria, Amesoeurs, Amon Amarth, Anaal Nathrakh, Ancient, Ancestral Luminous, Angantyr, Angra, Angra Mainyu, Anhedonia, Anorexia Nervosa, Antaeus, Anthrax, Anti, Arackanum, Arkona, Armaggedon, Aryan Art, Askival, Audioslave, Avichi, Avinar, Avsky, Aysenlur, Baal Gadrial, Bang Camaro, Bathory, Behemoth, Beherit, Behexen, Belenos, Belinus, Belketre, Belphegor, Benighted in Sodom, Beyond Light, The Black Dahlia Murder, The Black Death, Black Funeral, Blackguard, Black Label Society, Black Sabbath, Blind Guardian, Blind Illusion, Blood Stained Dusk, Blue Öyster Cult, Blut Aus Nord, Blutklinge, Bongripper, Bongzilla, Borknagar, Branikald, Brenoritvrezkore, Brocken Moon, Brown Jenkins, Buckethead, Burzum, Candlemass, Cannabis Corpse, Cannabal Corpse, Carcass, Carpathian Forest, Carved in Stone, Celtic Frost, Chaos Moon, Children of Bodom, Cindarella, Circle of Ghosts, Cirith Gorgor, Cold Void, Coldworld, Combichrist, Common Grave, Concubia Nocte, Cor Scorpii, Corpsefucking Art, Corpus Christii, Cradle of Filth, Craft, Crimfall, Crom, Cruachan, Cry of Silence, Dantalion, Danzig, Dark Forest, Dark Fortress, Dark Funeral, Darkspace, Darkthrone, Dawn of Ashes, Dawn of Tears, Daylight Dies, Demonizer, Desaster, Death, Death Cube K, Deathcult, Deathspell Omega, Deep Purple, Def Leppard, Deicide, Deströyer 666, Dethklok, Dimmu Borgir, Dio, Dissection, Diversant 13, Dødheimsgard, Dokken, Doom:VS, Dream Theater, Drowning the Light, Drudkh, Dub Buk, Dysthymia, Edguy, EgoNoir, Einherjer, Electric Wizard, Element of Eclipse, Elffor, Elite, Emperor, Empyrium, Endstille, Engelmacher, Ensiferum, Enslaved, Enthroned, Eohl, Equilibrium, Esoteric, Ethere, Ex Deo, Exodus, Exiled From Light, Extinction Front, Faith No More, Falkenbach, Fenris, FGFC820, Fiend, Finntroll, Finsterforst, Folkearth, Folkodia, Forest, Forgotten Tomb, Funeral Mourning, Gallhammer, Galneryus, Gamma Ray, Gehenna, Glittertind, Glorior Belli, Goatmill, Goatwhore, God Dethroned, God is an Astronaut, Gorerotted, Gorgoroth, Graveland, Green Jelly, Grendel, Gris, Guns N' Roses, Gwar, Happy Days, Hate Forest, Heidevolk, Hellfucked, Helloween, Helvetespine, Heretoir, Hordak, Horna, Hypothermia, I, Iced Earth, Ihsahn, Ildjarn, Immortal, Impaled, Impavida, Infernal War, Inquisition, Inverna, Invictus, Iron Maiden, Isengard, I Shalt Become, Isolation, Iuvenes, IXXI, Jimi Hendrix, John Coltrane (eat a dick, he's amazing), Journey, Judas Iscariot, Iron Savior, Judas Priest, Kæltetod, Kältetod, Kamelot, Kampfar, Karl Sanders, Katatonia, Keep of Kalessin, Keldian, Khold, King Diamond, Korpiklaani, Krallice, Krohm, Krokus, Krypt, Kult ov Azazel, Lantlôs, The Legion, Lemuria, Leviathan, Liam, Life is Pain, Lifelover, Lord, Lord Belial, Lord Foul, Lordi, Lord Wind, Lujhboia, Lunar Aurora, Lurker of Chalice, Lynyrd Skynyrd, Lyrinx, Make A Change...Kill Yourself, Månegarm, Manowar, Marduk, Mastodon, Matricide, Mayhem, Megadeth, Menhir, Mercyful Fate, Metal Church, Metallica, Mgla, Mirzadeh, Mistress of the Dead, Mithotyn, Moonsorrow, Morbid Angel, Mordheim, Mordhell, Mortician, Mortiis Dæmonium, Mötley Crüe, Motörhead, Mournful Congregation, Mourning Dawn, Mütiilation, Myrkgrav, Nachtmahr, Nachtmystium, Nae'Blis, Nagelfar, Naglfar, Nargaroth, Nartulran, Nattefrost, Night Conquers Day, Nile, Nirvana, Nocternity, Noctiferum, Nocturnal, Nocturnal Depression, Nocturnal Necropsy, Nokturnal Morutm, North, Nortt, Nunslaughter, Öde, Odroerir, Of The Wand And The Moon, Old Man's Child, Old Wainds, Om, Ondskapt, Onheil, Onryo, Overkill, Ovskum, Ozzy Osbourne, Panthiest, Panzer AG, Paysage D'Hiver, Pearl Jam, Pensées Nocturnes, Pest, Peste Noire, Pestilential Shadows, Poccolus, Poison, Possessed, Primordial, Primus, Psyclon Nine, Psycroptic, Queen, Queensryche, Quiet Riot, Ragnarok, Rainbow, Rammstein, RATT, Raventale, Reaktor 4, Red Hot Chili Peppers, Reverend Bizarre, Rhapsody, Rhapsody of Fire, Rob Zombie, Rome, Rotting Christ, Rush, Sabbat, Sacrificia Mortuorum, Samael, Samayoi, Samhain, Sarcófago, Sargeist, Satan's Blood, Satanic Slaughter, Satanic Warmaster, Satriani, Satyricon, Savatage, Schallfaktor, Schizophrenia, Scorpions, Scum, Secretly In Pain, Seol, Sepultra, Serj Tankian, Shadowbreed, Shape of Despair, Shining, Shyy, Sigh, Skaldic Curse, Skeletonwitch, Skid Row, Skitliv, Skitsystem, Skyforger, Skywave, Slayer, Slavogorje, Sleep, Sociopath, Sodom, Sombres Forêts, Sonata Arctica, Soulgate's Dawn, Soundgarden, Sort Vokter, Sterbend, Steve Vai, Storm, Stutthof, Suicide Commando, Summoning, Sunn O))), Sun Ra, Survivor, Swashbuckle, Svarga, Sympathy, Syrgðr Skógr, System of a Down, Taabut, Taake, Tearstained, Tenacious D, Testament, Thergothon, Theudho, Thin Lizzy, Thoth, Thränenkind, Thronar, Throne Of Katarsis, Thule, Thy light, Thyrfing, Todeskult, Tool, Total Negation, Toxic Holocaust, Trap Them, Trist, Triste, Tsjuder, Turisas, Tvangeste, Twilight, Twisted Sister, Twiztid, Tyranny, Ulver, Ungod, Unholy Matrimony, Unholy Trinity, Unter Null, Urgehal, Van Halen, Veil, Velvet Cacoon, Venom, Vérzivatar, Vinterland, Vinterriket, Vlad Tepes, Vobiscum, Volahn, Volkolak, VON, Vowels, Vreid, Walknut, Wardruna, Watain, Waylander, Wedard, Wehemut, When Mine Eyes Blacken, White Zombie, Wigrid, Windir, Wodulf, Wolfbrigade, Wolfchant, Wolfpack, Wolfmare, Wolves in the Throne Room, Wulfgar, Wyrd, Xasthur, Yggdrasil, Yngwie Malmsteen, Zrec, Zyklon-B, ZZ Top
I tried to take out the ones that weren't metal/hard rock, but I probably missed some.
