O

• O.R.k.: Ramagehead
• Obiat: Emotionally Driven Disturbulence
• Obiat: Eye Tree Pi
• Obituary: Darkest Day
• Obituary: Frozen Time
• Obituary: Inked In Blood
• Obituary: Obituary
• Obliterate: The Feelings
• Obscenity: Intense
• Obscura: Akróasis
• Obscura: Diluvium
• Obsidian Gate: The Nightspectral Voyage
• Obstruction: Horizont
• Obstruction: Új vér
• Obtest: Is Kartos I Karta
• Oceans Of Sadness: For We Are
• Oceans Of Slumber: Oceans Of Slumber
• Oceans Of Slumber: The Banished Heart
• Oceans Of Slumber: Winter
• October 31: Meet Thy Maker
• October: Gyémánt út
• October: Mélységi mámor
• October: Sziget a szívnek
• Oddland: The Treachery Of Senses
• Odyssea: Tears On Floods
• Old Man's Child: Ill-Natured Spiritual Invasion
• Old Man's Child: In Defiance Of Existence
• Old Man's Child: Revelation 666 - The Curse Of Damnation
• OLD: Down With The Nails
• Olen'k: Silently Noisy
• Olympos Mons: Conquistador
• Om: Advaitic Songs
• Omega Diatribe: Abstract Ritual
• Omega Diatribe: Iapetus
• Omega Diatribe: Metanoia
• Omega Diatribe: Trinity
• Omega: Decades
• Omegalord: Hammer Down
• Omen: 20th Anniversary Box
• Omen: Halálfogytiglan
• Omen: Idegen anyag (újrakiadás)
• Omen: Jelek / Koncert (újrakiadások)
• Omen: Nomen Est Omen
• On Broken Wings: It's All A Long Goodbye
• On Trial: Live
• One Man Army And The Undead Quartet: 21st Century Killing Machine
• One Step Beyond: Beyond Good And Evil
• Oneheadedman: Eat The Pigs
• OneHeadedMan: We Are Not Unique
• Oneheadedman: Winter, Thunder, Etc.
• Onslaught: Generation Antichrist
• Onslaught: Killing Peace
• Onslaught: Sounds Of Violence
• Onslaught: VI
• Onward: Reawaken
• Open Hand: You And Me
• Operation: Mindcrime: Resurrection
• Operation: Mindcrime: The Key
• Operation: Mindcrime: The New Reality
• Opeth: Blackwater Park
• Opeth: Deliverance
• Opeth: Ghost Reveries
• Opeth: Heritage
• Opeth: In Cauda Venenum
• Opeth: Pale Communion
• Opeth: Sorceress
• Opeth: The Roundhouse Tapes
• Opeth: Watershed
• Ophiolatry: Anti-Evangelistic Process
• Opus Draconis: Truth About False Union
• Orakle: Uni Aux Cimes
• Orange Goblin: A Eulogy For The Damned
• Orange Goblin: A Eulogy For The Fans... Orange Goblin Live 2012
• Orange Goblin: Back From The Abyss
• Orange Goblin: Healing Through Fire
• Orange Goblin: The Big Black
• Orange Goblin: The Wolf Bites Back
• Orange Goblin: Time Travelling Blues
• Oranssi Pazuzu: Valonielu
• Oratory: Illusion Dimensions
• Orchid: Capricorn
• Orchid: Heretic
• Orchid: Sign Of The Witch
• Orchid: The Mouths Of Madness
• Ordeal: Atrocities
• Orden Ogan: Gunmen
• Ordo Draconis: Camera Obscura Pt.1. / Pt.2.
• Ordøg: Sötétanyag
• Ordøg: Tíz fekete dal
• Orfeus: Végtelen utazás...
• Óriás: Minden villany ég
• Óriás: Óriás
• Origin: Echoes Of Decimation
• Origin: Entity
• Orphanage: Driven
• Orphaned Land: All Is One
• Orphaned Land: Mabool / The Story Of The Three Sons Of Seven
• Orphaned Land: The Never Ending Way Of ORwarriOR
• Orphaned Land: Unsung Prophets & Dead Messiahs
• OSI: Fire Make Thunder
• OSI: Office Of Strategic Influence
• Osian: The Slow Fade Of Loving Things
• Ossian: Az utolsó lázadó
• Ossian: Gyújtópontban
• Ossian: Titkos ünnep
• Our Existence Is Punishment: The Second Stage Of Grief
• Out Of The Lair: Psychotears
• Outcast vs. Moker (split)
• Overkill: Hello From The Gutter
• Overkill: Immortalis
• Overkill: Ironbound
• Overkill: Necroshine
• Overkill: ReliXIV
• Overkill: The Electric Age
• Overkill: The Grinding Wheel
• Overkill: The Wings Of War
• Overkill: White Devil Armory
• Overload: Zsarnok / Under The Heel
• Overlorde: Return Of The Snow Giant
• Overthrow: Adjust To Darkness
• Oz Noy: Ha!
• Ozone Mama: Cosmos Calling
• Ozone Mama: Sonic Glory
• Ozone: Self Defence
• Ozzy Osbourne: Black Rain
• Ozzy Osbourne: Down To Earth
• Ozzy Osbourne: Ordinary Man
• Ozzy Osbourne: Scream
• Ozzy Osbourne: Under Cover