Music:
Let's start with Death Metal:
Agalloch, Akercocke, Amoral, At The Gates, Autopsy, Before The Dawn, Behemoth, Benediction, Bloodbath, Bolt Thrower, Brain Drill, Burden Of Grief, Cannibal Corpse, Carcass, Dan Swanö, Dark Tranquillity, Dead In The Water, Deicide, Depressed Mode, Destroy Destroy Destroy, Deströyer 666, Devian, Disarmonia Mundi, Disbelief, Dismember, Dissection, Doom:VS, Draconian, Edenshade, Elenium, Entombed, Evocation, Gardenian, God Dethroned, God.Fear.None, Godgory, Gorefest, Gorod, Hate Eternal, Immolation, Imperanon, Impiety, Insomnium, Into Eternity, Kalmah, Maleficium, Monstrosity, Morbid Angel, Morgoth, Mors Principium Est, Naildown, Napalm Death, Neaera, Necare, Noumena, Obituary, Obsidian, Officium Triste, Opeth, Omnium Gatherum, Panzerchrist, Paria, Paths Of Possession, Poetry, Rotting Flesh, Sacramentum, Sadist, Slumber, Swallow The Sun, Theory In Practice, Thurisaz, Unleashed, Vehemence, The Death Metal Opera of Waltari (!), Wintersun, Wyrd, Zyklon
And now ... Black Metal:
1349, Abigor, Abyssaria, Aeba, Axamenta, Burzum (single songs!), Carpticon, Catamenia, Cryptic Wintermoon, Crystal Abyss, Daemonarch, Dark Funeral, Darkened Nocturn Slaughtercult, Darkthrone, Dimmu Borgir, Divine Symphony, Elexorien, Emperor, Empyrium, Enoid, Enthroned, Farsot, Forest Of Fog, Goathemy, Gorgoroth, Graveworm, Hellveto, Hermh, Ihsahn, Immortal, Imperium Dekadenz, Iskald, Isvind, Kvist, Limbonic Art, Ljå, Love Lies Bleeding, Mactätus, Malsain, Marduk, Massemord, Moonspell, Moribund Oblivion, Mustan Kuun Lapset, Nagelfar, Naglfar, Negurã Bunget, Obsidian Gate, Rift, Samael, Satyricon, Sear Bliss, Setherial, Shade Empire, Sigh, Sonic Reign, Stormlord, Summoning, Svartahrid, Sworn, Taake (Please, stop that Taake = NSBM crap!), Covenant (first albums!), Tsjuder, Ulver, Urgehal, Vreid
Let’s go on with Folk/Pagan/Viking Metal:
Amon Amarth, Amorphis, Borknagar, Cadacross, Einherjer, Eluveitie, Ensiferum, Enslaved, Falchion, Fimbulthier, Finsterforst, Fjoergyn, Folkearth, Forefather, Forlorn, Galadriel, Galar, Gernotshagen, Grimm, Helcaraxë, Helheim, Helrunar, Himinbjørg, Isengard, Kampfar, Lost Legacy, Månegarm, Mithotyn, Moonsorrow, Myrkgrav, Nomans Land, Oakhelm, Obscurity, Primordial, Raventhrone, Runemagick, Runic, SorgSvart, Storm, Suidakra, Svartby, Talamyus, Tarabas, Tharaphita, Thrudvangar, Thyrfing, Turisas, Vintersorg, Waylander, Windir, Wolfchant
And here the all time crossovers:
Metallica, Slayer, Machine Head, Life of Agony, Pantera, Faith No More (will they ever be back? One of my biggest wishes!), Led Zeppelin, Alice Cooper, Iced Earth, Deep Purple, Cat Stevens, Runrig, Ministry, Pink Floyd, R.E.M., sometimes a little Blind Guardian, Ozzy, J.B.O., Knorkator, Ramstein, WiZo, The Pogues, Monster Magnet, Guns ‚N’ Roses, Green Carnation, Justice, Tenacious D, Tool, Valhalla (Spain), Dream Theater, Motörhead…
I surely forgot many bands I like to listen to but as you can see, there are many different styles I like. Although it's not so easy to impress me with some new stuff, but you can try though :)