Metal

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

One for Sorrow

Metal · Hard Rock

One For The Road

Rock · Metal

One Minute Silence

Metal · Alternative

Onslaught

Metal · Heavy metal

Operation Error

Metal · Progressive

Opeth

Metal · Death metal

Overdrive

Metal · Heavy metal

Overkill

Metal · Heavy metal

Oxygen Thief

Folk · Metal

P.O.D.

Rock · Metal

Pain

Metal · Alternative

Pallbearer

Metal · American

Palm

Metal · Hardcore

Papa Roach

Rock · Metal

Paradise Lost

Metal · Death metal

Paragon

Metal · Hip Hop

Parkway Drive

Metal · Hardcore

Passenger

Metal · Melodic death metal

Paul Di'anno

Metal · Heavy metal

Peach

Rock · Metal

Penance

Metal · Doom metal

Pig Destroyer

Metal · Hardcore