Albums by year: 2004: Page 6
- Metal Mareny
- Metsatöll
- Mictlantecuhtli
- Miles Beyond
- Millenium
- Minas Tirith (NOR)
- Mindflow
- Mind of the Dodecahedron
- Mindsnare
- The Minibosses
- Minionslayer
- Ministry
- Miscreation
- Miseria
- Misery Index
- Miss Behaviour
- Mister Kite
- Mistheria
- Mnemic
- Mob Rules
- Mokoma
- Monster
- Moontower
- Morgion
- Morifade
- Mortal Love
- Mortal Sin
- Mortification
- MortIIs
- Mortuary Drape
- Scott Mosher
- Motörhead
- Mournful Congregation
- Mourning Beloveth
- Moxie
- Muro
- Musaka
- Must Missa
- My Cold Embrace
- My Darkest Hate
- My Dying Bride
- Myrddraal
- Mystic Prophecy
- Mytile Vey Lorth
- Nachtmystium
- Naer Mataron
- Napalm Death
- Nargaroth
- Narnia
- Nasheim
- Nasty Savage
- Nasum
- Nattskräck
- Nazxul
- Nebelhexë
- Necrophagia
- Negative
- Nehëmah
- Nemesis (CZ - Klimkovice)
- Neon
- Nephasth
- Neronia
- Nervecell
- Neue Regel
- Neurosis
- Never
- Niden Div.187
- Nightingale
- Nightscape
- Nightwish
- Ninja Magic
- Nocturnal Breed
- Nocturnal Rites
- Nokturnal Mortum
- Nominon
- Nordreich
- Norther
- Nostradameus
- Nothing
- Notre Dame
- November Aria
- Nunslaughter
- The Ocean
- Octopus
- Odd Logic
- Of Infinity
- Old Man Gloom
- Oligarquia
- Ol Sonuf
- Olympos Mons
- Ongo
- Onkel Tom Angelripper
- Oomph!
- Opera IX
-
Ophiolatry
Misanchristianthropy (w/ Infernal Dominion)
- Ordo Templi Aeternae Lucis
- Ornias
- Orphanage
- Orphaned Land
- Orthrelm
- Otep
- Outworld
- Pain Confessor
- PainMuseum
- Pain of Salvation
- Pantheon I
- Paramaecium
- Parkway Drive
- Henning Pauly
- Pegazus
- Pelican
- Axel Rudi Pell
- Pentagram
- Persefone
- Persuader
- Perzonal War
- Pest (GER)
- Pest (SWE)
-
John Petrucci
An Evening With John Petrucci and Jordan Rudess (Live) (w/ Jordan Rudess)
- Philadelphia
- Phonetica
- Pig Destroyer
- Pink Cream 69
- The Plasmatics
- Plastilinovy JiNN
- Platitude
- Play Dead
- Pogrom
- Poison the Well
- Poppy Seed Grinder