ORO

Post-Metal

2 Albums

Oscillotron

Drone Metal

5 Albums

Otyg

Metal

2 Albums

Ötzi

Metal

1 Album

Outshine

Gothic Metal

4 Albums

Overdrive

Heavy Metal

6 Albums

Overflash

Death Metal

2 Albums

Ov Shadows

Black Metal

4 Albums

Oz

Metal

10 Albums

Oþalan

Atmospheric Black Metal

1 Album

Paganizer

Death Metal

22 Albums

Pain

Industrial Metal

10 Albums

Pain of Salvation

Progressive Metal

13 Albums

Palantír

Power Metal

3 Albums

Pandaemonia

Black Metal

1 Album

Pandemonium

Death Metal

6 Albums

Panphage

Black Metal

5 Albums

Pan.Thy.Monium

Death Metal

4 Albums

Paranoid

Thrash Metal

12 Albums

Paranorm

Thrash Metal

3 Albums

Passenger

Alternative Metal

1 Album

Past Glories

Progressive Metal

1 Album

Patrik Adolfsson

Industrial Metal

4 Albums

Patronymicon

Black Metal

3 Albums