Metal

Metallica

Rock · Metal

MetalTech

Metal · Punk

Miss May I

Post Hardcore · Metal

Moments Before Oblivion

Rock · Metal

Monogram

Metal · Bluegrass

Monster Magnet

Rock · Metal

Morbid Angel

Metal · Death metal

Morbus Chron

Metal · Death metal

Mordecai

Metal · Black metal

Mordred

Metal · Thrash metal

Morgue Orgy

Metal · Death metal

Mother Corona

Metal · Psychedelic

Motherload

Rock · Punk Rock

Motionless In White

Post Hardcore · Metal

Motörhead

Rock · Metal

Mutagenocide

Metal · Thrash metal

NAO

Metal · Rap metal

Napalm Death

Metal · Death metal

Negligence

Metal · Thrash metal

Neonfly

Metal · British

Nevermore

Metal · Heavy metal

Newsted

Metal · Hard Rock

Nightvision

Rock · Metal

Nightwish

Metal · Power metal

Nile

Metal · Death metal

nimmo

Rock · Metal

Nonpoint

Rock · Metal

Northern Oak

Metal · Folk metal

Now, Voyager

Post Hardcore · Metal

Nuclear Assault

Metal · Thrash metal

Obituary

Metal · Death metal

Obsession

Metal · Hardcore

October File

Post Hardcore · Metal

Offshore

Metal · Electronic

Oliver/Dawson Saxon

Rock · Metal

Once a Wolf

Metal · Progressive metal