OBITUARY Release Debut Full-Length Album ‘Slowly We Rot’ (Jun. 1989) Slowly We Rot was the only album to feature Daniel Tucker on bass, with Frank Watkins occupying the position for Obituary’s next seven. Read More…

OVERKILL Release 17th Studio Album ‘White Devil Armory’ (Jul. 18th, 2014) In its first week of release, the opus shifted roughly 8,400 copies in the United States, landing at position 31 on the Billboard 200 chart. Read More…

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Ob-Od

OBITUARY Release Debut Full-Length Album ‘Slowly We Rot’ (June 1989)

OBITUARY Release Ninth Studio Album ‘Inked In Blood’ (October 24th, 2014)

OBITUARY Tour Europe In January And February 2015 (January 15th, 2015)

OBITUARY To Tour Europe In October And November 2015 As Part Of DEATHCRUSHER 2015 European Tour With CARCASS, VOIVOD, NAPALM DEATH And HEROD (June 30th, 2015)

OBITUARY To Support CANNIBAL CORPSE On Early 2016 North American Tour (December 9th, 2015)

OBITUARY Release Live Album ‘Ten Thousand Ways To Die’ (October 21st, 2016)

OBITUARY And EXODUS To Co-Headline October / November 2016 European Tour (June 9th, 2016)

OBITUARY Release Self-Titled Tenth Studio Album (March 17th, 2017)

OBITUARY And EXODUS To Co-Headline Late 2017 North American Tour (June 14th, 2017)

OBITUARY To Tour North America In May And June 2018 (February 2nd, 2018)

OBITUARY To Support SLAYER On November / December 2018 European Tour (May 11th, 2018)

OBITUARY To Release 11th Studio Album ‘Dying Of Everything’ (November 10th, 2022)

OBLITERATION To Release Fourth Studio Album ‘Cenotaph Obscure’ (October 28th, 2018)

OBLIVION To Release Second Studio Album ‘The Path Towards…’ (October 17th, 2017)

OBLIVION PROTOCOL Sign Album Contract With Atomic Fire Records (October 27th, 2022)

OBSCENITY To Release Ninth Studio Album ‘Retaliation’ (February 11th, 2016)

OBSCURA To Release Fourth Studio Album ‘Akróasis’ (November 9th, 2015)

OBSCURA To Support DEATH (DTA) On March-April 2016 European Tour (November 17th, 2015)

OBSCURA To Release Fifth Studio Album ‘Diluvium’ (October 3rd, 2017)

OBSCURE BURIAL To Release Self-Titled Debut Studio Album (October 15th, 2017)

OBSIDIAN KINGDOM To Release Second Studio Album ‘A Year With No Summer’ (March 6th, 2016)

OBSIDIAN KINGDOM To Release Third Studio Album ‘Meat Machine’ (August 1st, 2020)

THE OBSESSED To Release Fourth Studio Album ‘Sacred’ (March 10th, 2017)

THE OCEAN To Support INTRONAUT On March-April 2016 North American Tour (January 6th, 2016)

OCEANO Release Third Full-Length Album ‘Incisions’ (October 1st, 2013)

OCEANO Release Fourth Album ‘Ascendants’ (March 23rd, 2015)

OCEANS OF SLUMBER Release Second Studio Album ‘Winter’ (March 4th, 2016)

OCEANS OF SLUMBER Release Third Studio Album ‘The Banished Heart’ (March 2nd, 2018)

OCEANS OF SLUMBER To Support EPICA On April 2018 UK And Ireland Tour (November 21st, 2017)

OCEANS OF SLUMBER To Support SWALLOW THE SUN On April / May 2019 European Tour (February 27th, 2019)

OCEANS OF SLUMBER Release ‘Strange Fruit’ Single (May 8th, 2020)

OCEANS OF SLUMBER Release Self-Titled Fourth Studio Album (September 4th, 2020)

OCEANS OF SLUMBER To Release Fifth Studio Album ‘Starlight And Ash’ (May 13th, 2022)

OCTOBER FILE Release Fourth Studio Album ‘The Application Of Loneliness, Ignorance, Misery, Love And Despair – An Introspective Of The Human Condition’ (May 26th, 2014)

OCTOBER TIDE Sign Album Contract With Agonia Records (June 15th, 2015)

OCTOBER TIDE To Release Fifth Studio Album ‘Winged Waltz’ (April 18th, 2016)

OCTOBER TIDE To Release Sixth Studio Album ‘In Splendor Below’ (February 28th, 2019)

OCTOPUS To Release Debut Studio Album ‘Supernatural Alliance’ (March 20th, 2018)

ODD DIMENSION To Release Third Studio Album ‘The Blue Dawn’ (January 19th, 2021)

ODDPLAY Release Third Studio Album ‘Soundscape’ (September 18th, 2020)

ODYSSEY To Release Third Studio Album ‘Voids’ (January 4th, 2016)

Of-Op

OF MICE & MEN Release Third Studio Album ‘Restoring Force’ (January 28th, 2014)

OF MICE & MEN To Support SLIPKNOT On Summer 2016 North American Tour (March 3rd, 2016)

OF MICE & MEN To Support FIVE FINGER DEATH PUNCH And IN FLAMES On Late 2017 European Co-Headlining Tour (June 13th, 2017)

THE OFFERING Release Debut Studio Album ‘Home’ (August 2nd, 2019)

THE OFFERING To Release Second Studio Album ‘Seeing The Elephant’ (August 2nd, 2022)

OGRE To Support DIENAMIC On September 2015 Japanese Tour (July 27th, 2015)

OHM Drummer Nick Menza Dies Aged 51 (May 21st, 2016)

OL DRAKE To Release Debut Album ‘Old Rake’ (May 24th, 2015)

OLD CORPSE ROAD To Release Second Album ‘Of Campfires And Evening Mists’ (April 10th, 2016)

OLD JAMES To Support GIRLSCHOOL On United States Tour In May And June 2015 (March 5th, 2015)

OMEGA INFINITY To Release Second Studio Album ‘The Anticurrent’ (December 14th, 2022)

OMEN To Release Seventh Studio Album ‘Hammer Damage’ (April 20th, 2016)

OMNIUM GATHERUM To Support INSOMNIUM On August-September 2015 North American Tour (March 7th, 2015)

OMNIUM GATHERUM To Release Eighth Studio Album ‘The Burning Cold’ (June 6th, 2018)

OMNIVORE Release Self-Titled Debut Full-Length (February 18th, 2014)

ONCE HUMAN Release Debut Studio Album ‘The Life I Remember’ (September 4th, 2015)

ONCE HUMAN Support FEAR FACTORY On Late 2015 European Tour (November 7th, 2015)

ONCE HUMAN To Release Second Studio Album ‘Evolution’ (September 13th, 2016)

ONCE HUMAN To Support WEDNESDAY 13 On Summer 2017 North American Tour (April 7th, 2017)

ONE DAY WAITING To Support OTEP On Selected Dates Of Summer 2018 North American Tour (April 4th, 2018)

ONE DESIRE Release Self-Titled Debut Studio Album (March 24th, 2017)

ONE DESIRE Support ECLIPSE On April 2017 UK Tour (April 19th, 2017)

ONE DESIRE Release Second Studio Album ‘Midnight Empire’ (May 22nd, 2020)

ONE DESIRE Release ‘Live With The Shadow Orchestra’ (April 21st, 2023)

THE ONE HUNDRED Sign Album Contract With Spinefarm Records (September 20th, 2016)

ONE LAST RUN To Release Debut Studio Album ‘Unbreakable’ (April 2nd, 2016)

ONE MACHINE Release Debut Album ‘The Distortion Of Lies And The Overdriven Truth’ (February 18th, 2014)

ONE MACHINE Release Second Studio Album ‘The Final Cull’ (September 18th, 2015)

ONI To Release Debut Album ‘Ironshore’ (October 4th, 2016)

ONI To Support CHILDREN OF BODOM On Early 2017 European Tour (February 8th, 2017)

ONSLAUGHT Release Live CD / DVD ‘Live At The Slaughterhouse’ (February 16th, 2016)

ONSLAUGHT Release ‘A Perfect Day To Die’ Digital Single (March 8th, 2019)

ONSLAUGHT To Release Seventh Studio Album ‘Generation Antichrist’ (May 12th, 2020)

OPEN BURN To Release Debut Studio Album ‘Divine Intermission’ (June 3rd, 2018)

OPERATION: MINDCRIME Release Debut Studio Album ‘The Key’ (September 18th, 2015)

OPERATION: MINDCRIME To Tour United States In Early 2016 (January 21st, 2016)

OPERATION: MINDCRIME Release Second Studio Album ‘Resurrection’ (September 23rd, 2016)

OPERATION: MINDCRIME To Release Third Studio Album ‘The New Reality’ (October 5th, 2017)

OPETH Sign Album Contract With Nuclear Blast Entertainment (June 15th, 2016)

OPETH To Release 12th Studio Album ‘Sorceress’ (June 18th, 2016)

OPETH And GOJIRA To Co-Headline May 2017 US Tour (December 6th, 2016)

OPHIDIAN I To Release Second Studio Album ‘Desolate’ (June 1st, 2021)

Or-Ou

ORACLES To Release Debut Studio Album ‘Miserycorde’ (February 20th, 2016)

ORANGE GOBLIN To Release Ninth Studio Album ‘The Wolf Bites Back’ (March 2nd, 2018)

ORANGE GOBLIN And CORROSION OF CONFORMITY To Co-Headline Late 2018 U.K. Tour (June 11th, 2018)

ORBIT CULTURE Release Third Studio Album ‘Nija’ (August 7th, 2020)

ORBIT CULTURE To Release ‘Shaman’ EP (July 22nd, 2021)

ORBWEAVER Recruit Former TRIVIUM Drummer (March 12th, 2015)

ORCHID To Release Four-Track EP ‘Sign Of The Witch’ (June 18th, 2015)

ORDEM SATÂNICA To Release Debut Studio Album ‘Monte da Lua’ (May 9th, 2017)

ORDEN OGAN To Support POWERWOLF On Sep-Nov 2015 European Tour (March 18th, 2015)

ORDEN OGAN Release Sixth Studio Album ‘Gunmen’ (July 7th, 2017)

ORDEN OGAN To Release Seventh Studio Album ‘Final Days’ (December 6th, 2019)

ORDER To Release Debut Studio Album ‘Lex Amentia’ (July 9th, 2017)

THE ORDER To Release Fifth Studio Album ‘Rock ‘N’ Rumble’ (April 17th, 2016)

THE ORDER OF APOLLYON To Release Third Studio Album ‘Moriah’ (August 12th, 2018)

ORIANTHI Releases Fifth Studio Album ‘Rock Candy’ (October 14th, 2022)

ORIGIN Release Sixth Studio Album ‘Omnipresent’ (July 4th, 2014)

ORIGIN To Release Seventh Studio Album ‘Unparalleled Universe’ (May 11th, 2017)

ORPHANED LAND To Embark On European Unplugged Tour In September And October 2015 (June 14th, 2015)

OSLO FAENSKAP To Support SATYRICON On April 2015 European Tour (March 7th, 2015)

OTEP To Release Seventh Studio Album ‘Generation Doom’ (February 7th, 2016)

OTEP To Tour North America In Summer 2018 (April 4th, 2018)

OTHERWISE Release Third Studio Album ‘Sleeping Lions’ (September 22nd, 2017)

OUR SURVIVAL DEPENDS ON US To Support SECRETS OF THE MOON On March 2016 European Tour (November 19th, 2015)

OUTERGODS To Release Debut Studio Album ‘A Kingdom Built Upon The Wreckage Of Heaven’ (June 15th, 2023)

OUTER HEAVEN Sign Album Contract With Relapse Records (February 22nd, 2018)

OUTER HEAVEN To Release Second Studio Album ‘Infinite Psychic Depths’ (June 15th, 2023)

OUTLAWS Release Live Double Album ‘Legacy Live’ (November 11th, 2016)

OUTLAWS To Release 13th Studio Album ‘Dixie Highway’ (January 23rd, 2020)

OUTRUN THE SUNLIGHT To Support NATIVE CONSTRUCT On August 2015 US Tour (July 12th, 2015)

Ov-Oz

ÓVÆRA Release Debut EP ‘Perdido en Islandia’ (August 16th, 2019)

OVENIZER Release Debut Album ‘SWM’ (April 22nd, 2015)

OVERKILL Release 17th Studio Album ‘White Devil Armory’ (July 18th, 2014)

OVERKILL Sign Worldwide Contract With Nuclear Blast (March 28th, 2015)

OVERKILL And SYMPHONY X To Co-Headline North American Tour In September And October 2015 (March 28th, 2015)

OVERKILL To Release ‘Historikill: 1995 – 2007’ Box Set (July 14th, 2015)

OVERKILL To Tour Europe In November 2016 (May 12th, 2016)

OVERKILL: Former Guitarist Bobby Gustafson Forms HAIL MARY With Ex-Drummer Sid Falck And RAVEN’s John Gallagher (November 13th, 2015)

OVERKILL Release 18th Studio Album ‘The Grinding Wheel’ (February 10th, 2017)

OVERKILL To Tour United States In Early 2017 (December 3rd, 2016)

OVERKILL Recruit SHADOWS FALL Drummer Jason Bittner (May 4th, 2017)

OVERKILL To Headline 2017 Edition Of Metal Alliance Tour (June 15th, 2017)

OVERKILL Release 19th Studio Album ‘The Wings Of War’ (February 22nd, 2019)

OVERKILL To Release 20th Studio Album ‘Scorched’ (January 27th, 2023)

OVEROTH To Release Second Studio Album ‘The Forgotten Tome’ (July 11th, 2017)

TIM “RIPPER” OWENS To Tour UK In July 2015 (June 17th, 2015)

THE OXFORD COMA To Release Second Album ‘Paris Is Mine’ (June 9th, 2015)

OZ Release Seventh Studio Album ‘Transition State’ (October 20th, 2017)

OZ Sign Album Contract With Massacre Records (August 21st, 2018)

OZ To Release Eighth Studio Album ‘Forced Commandments’ (March 9th, 2020)

OZZY OSBOURNE Guitarist Randy Rhoads Dies In Aeroplane Accident Aged 25 (March 19th, 1982)

OZZY OSBOURNE To Release Twelfth Solo Album ‘Ordinary Man’ (November 9th, 2019)