Meshuggah

ObZen

6

Metal Church

Blessing In Disguise

8

Metallica

Kill 'Em All	10
Ride The Lightning	10
Master Of Puppets	10
...And Justice For All	10
Metallica	10
Load	10
Garage Inc.	10
72 Seasons	9
Re-Load	8
St. Anger	8
Hardwired... To Self-Destruct	8
Death Magnetic	7
Lulu [Collaboration]	3

Mgła

Exercises In Futility	8
Age Of Excuse	8

Monstrosity

Imperial Doom

6

Moonlight Sorcery

Horned Lord Of The Thorned Castle

7

Morbid Angel

Altars Of Madness	10
Covenant	10
Blessed Are The Sick	9
Domination	9
Gateways To Annihilation	7
Kingdoms Disdained	7
Formulas Fatal To The Flesh	6
Heretic	5
Illud Divinum Insanus	3

Morgoth

Cursed	9
Odium	7

Motörhead

1916	9
Ace Of Spades	8
Orgasmatron	8

My Dying Bride

Turn Loose The Swans	8
A Mortal Binding	8
The Angel And The Dark River	7
The Dreadful Hours	7

Myrath

Karma

9

Myrkur

Folkesange	10
Spine	5

Napalm Death

Harmony Corruption	9
Utopia Banished	8
Scum	6
From Enslavement To Obliteration	6
Throes Of Joy In The Jaws Of Defeatism	6

Ne Obliviscaris

Exul

9

Necrophobic

In The Twilight Grey

8

Nick Johnston

Wide Eyes In The Dark	8
Child Of Bliss	8

Night Verses

Every Sound Has A Color In The Valley Of Night: Part 1	7
Every Sound Has A Color In The Valley Of Night: Part 2	7

Nightwish

Human. :II: Nature.

7

Nile

Annihilation Of The Wicked

7

Nocturnus

The Key	10
Thresholds	8
Ethereal Tomb	6

Nocturnus AD

Unicursal	8
Paradox	6

Nospūn

Opus

8

Nostalghia

Au Milieu De L'hiver

8

Nuclear Assault

Out Of Order

7

Obituary

Cause Of Death	10
Slowly We Rot	9
The End Complete	9
World Demise	8
Frozen In Time	8
Dying Of Everything	8
Obituary	7

Obscura

Diluvium	9
Omnivium	8
Cosmogenesis	7
A Valediction	6

October Tide

Rain Without End

8

On Thorns I Lay

On Thorns I Lay	10
Threnos	8

Onslaught

The Force

6

Operation: Mindcrime

The Key

6

Opeth

Blackwater Park	10
Ghost Reveries	10
Morningrise	9
Still Life	9
In Cauda Venenum	9
Orchid	8
My Arms, Your Hearse	8
Deliverance	7
Damnation	7
Watershed	7
Sorceress	7
Heritage	6
Pale Communion	6

Orbit Culture

Descent

9

Orphaned Land

Mabool: The Story Of The Three Sons Of Seven

9

Overkill

The Years Of Decay	8
The Wings Of War	7

Ozzy Osbourne

Blizzard Of Ozz	8
Patient Number 9	8
Ordinary Man	7

Pantera

Vulgar Display Of Power	10
Cowboys From Hell	9
Far Beyond Driven	6