i listen to quite a variety of genres, but mainly to more "mainstream" metal bands of those genres, you'll see haha.
Power metal: Angra, Avantasia, Demons & Wizards, Dream Evil, Edguy, Firewind, Galneryus, Iced Earth, Masterplan, Steel, X Japan (their older stuff), Jorn
Death metal: Akercocke (blackened death), Atheist (techincal death), Bloodbath, Cryptopsy (techincal death), (old) Cynic, Dan Swano, Death, Decapitated, Deicide, Dies Irae (poland), Goatwhore (blackened death), Hate Eternal, Screamin' Daemon (blackened death), Rudra (blackened death), Zyklon (blackened death), Behemoth (blackened death), Daath, Demilich
Melodic death: In Mourning, Insomnium, Nightrage, Children of Bodom
Black: Anthelion, Chthonic, Anorexia Nervosa, Dimmu Borgir (yes yes i know the deal about them not being black but so?), Enslavement of Beauty
Heavy metal: Iron Maiden, Dio, Loudness
Folk metal: Ensiferum, Eluveitie, Finntroll, Wintersun, Borknagar, Vintersorg
Others: Draconian, Summoning, Bal-Sagoth
and many more..