Mastodon

Leviathan	9
The Hunter	9
Remission	8
Blood Mountain	8
Crack The Skye	8
Once More 'Round The Sun	8
Emperor Of Sand	8

Megadeth

Dystopia

8

Memoriam

For The Fallen

9

Meshuggah

The Violent Sleep Of Reason

8

Metallica

Ride The Lightning	8
Master Of Puppets	8
...And Justice For All	8
Metallica	8
Kill 'Em All	7
Load	7
Re-Load	7
Death Magnetic	7
Hardwired... To Self-Destruct	7
St. Anger	4

Mezarkabul

Unspoken	9
Anatolia	8
Bir	8
Pentagram	7
Trail Blazer	7
MMXII	7

Mgła

Exercises In Futility

9

Ministry

Rio Grande Blood	9
ΚΕΦΑΛΗΞΘ	8
The Last Sucker	8
Houses Of The Molé	7
AmeriKKKant	6

Misery Index

Rituals Of Power

8

Mistur

In Memoriam

8

Monolithe

Nebula Septem

7

Moonsorrow

Jumalten Aika

7

Moonspell

The Antidote	10
Wolfheart	9
Sin / Pecado	9
Night Eternal	9
Extinct	9
1755	9
Irreligious	8
Alpha Noir / Omega White	8
The Butterfly Effect	7
Darkness And Hope	7
Memorial	7

Morbid Angel

Altars Of Madness	9
Kingdoms Disdained	6

Mors Principium Est

Seven

6

Mutoid Man

War Moans

8

My Dying Bride

Feel The Misery	10
Like Gods Of The Sun	9
The Light At The End Of The World	9
The Dreadful Hours	9
Songs Of Darkness, Words Of Light	9
Turn Loose The Swans	8
The Angel And The Dark River	8
34.788%... Complete	8
A Line Of Deathless Kings	8
A Map Of All Our Failures	8
As The Flower Withers	7
For Lies I Sire	7
The Ghost Of Orion	5

Myrath

Legacy

8

Myrkur

Mareridt

8

Nailed To Obscurity

King Delusion	10
Black Frost	7

Napalm Death

Time Waits For No Slave

9

Ne Obliviscaris

Urn

6

Necrophobic

Mark Of The Necrogram

9

Netra

Ingrats

9

Nightbringer

Terra Damnata

8

Nine Inch Nails

The Downward Spiral	9
The Fragile	9
With Teeth	8

Nordjevel

Necrogenesis

7

Noumena

Myrrys

9

Novembers Doom

Aphotic	8
Bled White	8
Hamartia	8

Novembre

Classica	9
Materia	9
URSA	9
Novembrine Waltz	8
The Blue	8

Oathbreaker

Rheia

8

Obituary

Obituary

8

Obscura

Diluvium

8

Oceans Of Slumber

The Banished Heart

8

Officium Triste

Giving Yourself Away	10
Mors Viri	9

Omnium Gatherum

Grey Heavens	8
The Burning Cold	8

On Thorns I Lay

Aegean Sorrow	9
Threnos	6

Opeth

Orchid	9
Morningrise	9
My Arms, Your Hearse	9
Still Life	9