Prog Rock: 3, Angels and Airwaves, Kansas, Yes, Nightingale, Royal Hunt, Porcupine tree
Hard Rock: Aerosmith, Deep purple, Talisman
Heavy metal: Black Label Society, Volbeat
Melodic death metal: Dark tranquillity, Omnium Gatherum, Scar Symmetry
Progressive death metal: Becoming the archetype, Barren earth, In mourning, Persefone
Doom death metal: Novembers doom, the fall of every season
Doom metal: Krux
Neoclassical metal: Winds, Yngwie Malmsteen
Power metal: Theocracy, Stratovarius, Sonata Arctica, 7 days, Evergrey (not sure about this one haha), Control Denied
Djent: Meshuggah, Benevolent, Textures, Hacride
Instrumental: Steve Vai, Jeff Loomis, Animals as leaders
Prog metal: Seventh wonder, Symphony x, Ayreon, Green Carnation, Wolverine
Middle eastern metal: Amaseffer, Orphaned land, Pirania, Myrath
Vegetarian new post-thrash progressive grindore (???): Nevermore
Celtic rock: Off Kilter, Wolfstone
Extreme metal, then rock, then jazz, then folk, then........whatever this weirdos want to play: Opeth, Amorphis, Cynic, Sadist, Enslaved, Klabautamann, Novembre
Blues: Eric Clapton, John Mayer (at least some times)
Alternative rock: Katatonia
Jazz: Marcus Miller
Thrash metal: Megadeth, Sanctity, Metallica (first five albums, after that, all went so wrong....)
Cello Metal (yeah, there are so many.....): Apocalyptica
Symphonic metal: Eternal tears of sorrow, Epica, ivory Moon
to name a few....