On Thorns I Lay

Threnos	9
Orama	8
Aegean Sorrow	8
On Thorns I Lay	8
Crystal Tears	7
Sounds Of Beautiful Experience	6
Future Narcotic	6
Eternal Silence	6
Angeldust	5
Egocentric	5

Once Human

Scar Weaver

8

Onmyo-Za

鬼子母神

5

Ontborg

Within The Depths Of Oblivion	7
Following The Steps Of Damnation	7

Oomph!

Richter Und Henker

6

Opera IX

The Black Opera: Symphoniae Mysteriorum In Laudem Tenebrarum	9
Sacro Culto	8
The Gospel	8
Maleventum	7
Anphisbena	7
The Call Of The Wood	7
The Triumph Of The Death [EP]	6
Strix Maledictae In Aeternum	6

Opeth

Still Life	10
Blackwater Park	10
Ghost Reveries	10
Pale Communion	10
In Cauda Venenum	10
My Arms, Your Hearse	9
Deliverance	9
Damnation	9
Watershed	9
Heritage	9
Morningrise	8
The Candlelight Years [Boxset]	8
Sorceress	8
Orchid	7

Ophidian I

Desolate

8

Ophis

Spew Forth Odium

8

Oranssi Pazuzu

Mestarin Kynsi	10
Muukalainen Puhuu	9
Valonielu	9
Värähtelijä	9
Kevät / Värimyrsky [EP]	9
Kosmonument	8
Farmakologinen [EP]	8

Orbit Culture

Rasen	8
Nija	8
Descent	8
In Medias Res	7
Redfog [EP]	7
Shaman [EP]	7
The Forgotten [EP]	7
Orbit Culture [EP]	6
Odyssey [EP]	6

Orchid

Capricorn

7

Orecus

Dreadnought

6

Origin

Echoes Of Decimation	8
Antithesis	8
Entity	8
Informis Infinitas Inhumanitas	7
Omnipresent	7
Unparalleled Universe	7
Chaosmos	7
Origin	6
A Coming Into Existence [EP]	5

Origin Of Escape

Shapes

7

Orion's Reign

Scores Of War

6

Orm

Intet • Altet

7

Orphaned Land

Mabool: The Story Of The Three Sons Of Seven	9
Unsung Prophets & Dead Messiahs	9
The Never Ending Way Of ORwarriOR	8
El Norra Alila	7
Sahara	7
All Is One	6
Kna'an [Collaboration]	6

Ostura

The Room

6

Otep

Sevas Tra	7
Smash The Control Machine	7
House Of Secrets	6
The Ascension	6
Jihad [EP]	6
Atavist	6
Generation Doom	5
Hydra	4
Kult 45	3
The God Slayer	2

Ou

II: Frailty	6
One	5

Ov Sulfur

The Burden Ov Faith

7

Overkill

Feel The Fire	6
Taking Over	6
The Years Of Decay	6
Horrorscope	6
Ironbound	6
The Electric Age	6
White Devil Armory	6
The Grinding Wheel	6
Under The Influence	5
Killbox 13	5