I really hope he is not reading all entries, because it would make him wicked XD. He should rather usw the search function of his browser to determine if someone posted the correct band

so here are my guesses, maybe some were mentioned before

Apocalyptica

Cormorant

Dragonfoce

Norther

Children of Bodom

Burzum

Mayhem Makers

Arch Enemy

Amon Amarth

Rammstein

Böhse Onkelz

Eisregen

Scar Symetrie

Unleashed

Obituary

Opeth

Death

Equilibrium

Ensiferum

Bathory

In Flames

1349

Impious

Belphegor

Soilwork

Bloodbath

Stratovarious

Stormwarrior

Valhalla

Wintersun

Trivium

Rhapsody

Nevermore

Machine Supremacy

Koorpiklaani

Kamelot

Illnath

Firewind

Darkest Hour

Dimmu Borgir

Dimension Zero

DevilDriver

Metallica

Mors Principium est

Subway to Sally

Dream Theater

JBO

Onkel Tom Angelripper

Pantera

Battlelore

Rage

Machine Head

Tyr

thats was my music folder…can think of some additional ones tho

Slayer

Cannibal Corpse

Moonsorrow

Siebenburgen

Windir

Brymir

Wolfchant

Walknut

Nordglanz

Shambless

Myrkgrav

Svartsot

Winterfylleth

in the likely case that you dont like metal this is probably a totally losing list XD