Obedient Chaos

Metalcore - Finlande

Oberon (CZ)

Metalcore - Tchèquie

Obey The Brave

Metalcore - Canada

Object Of Aggression

Metalcore - Etats-Unis

Obsek

Metalcore - Canada

Obyrne

Metalcore - Canada

Ocean Depths

Metalcore - Pays-Bas

Ocean Goddess

Metalcore - Italie

Ocean In Sight

Metalcore - Ukraine

Ocean Sleeper

Metalcore - Australie

Ocean's Aftermath

Metalcore - Etats-Unis

Oceangraves

Metalcore - Mexique

Oceans

Metalcore - Autriche

Oceans Apart

Metalcore - Royaume-Uni

Oceans Asleep

Metalcore - France

Oceans Ate Alaska

Metalcore - Royaume-Uni

Oceans Of December

Metalcore - Etats-Unis

Oceans Will Part

Metalcore - Etats-Unis

Oceans Will Rise

Metalcore - Canada

Odd Project

Metalcore - Etats-Unis

Odessa

Metalcore - Royaume-Uni

Of Blackest Oceans

Metalcore - Nouvelle-Zélande

Of Buried Hopes

Metalcore - Bélarus

Of Burning Empires

Metalcore - Canada

Of Concepts And Kings

Metalcore - Canada

Of Creations

Metalcore - Etats-Unis

Of Divinity

Metalcore - Australie

Of Flight And Failure

Metalcore - Etats-Unis

Of Ghost

Metalcore - Royaume-Uni

Of Mice And Men

Metalcore - Etats-Unis

Of Silence And Salvation

Metalcore - Etats-Unis

Of Temples

Metalcore - Canada

Of The First Born Son

Metalcore - Canada

Of The Son

Metalcore - Etats-Unis

Of Truth

Metalcore - Etats-Unis

Of Virtue

Metalcore - Etats-Unis

Of Whispers

Metalcore - Australie

Oh

Metalcore - Etats-Unis

Oh The Irony

Metalcore - Etats-Unis

Oh, Redeemer

Metalcore - Etats-Unis

Oh, Sleeper

Metalcore - Etats-Unis

Olethrio Rigma

Metalcore - Grèce

Oltrezona

Metalcore - Italie

Omens Of Plague

Metalcore - Argentine

OMG

Metalcore - Russie

Omissions

Metalcore - Etats-Unis

Omkara

Metalcore - Pologne

On Broken Wings

Metalcore - Etats-Unis

On The Verge Of Extermination

Metalcore - Chine

Once A King

Metalcore - Allemagne

Once Alive

Metalcore - Croatie

Once Godlike

Metalcore - Belgique

Once In A While

Metalcore - Italie

Once Nothing

Metalcore - Etats-Unis

Once Pure

Metalcore - Etats-Unis

Once We Killed

Metalcore - Allemagne

One Dead Three Wounded

Metalcore - Etats-Unis

One Hour

Metalcore - Belgique

One Night Actress

Metalcore - Russie

One Rise Ion

Metalcore - Ukraine

One Size Fits All

Metalcore - France

One Year Later

Metalcore - Etats-Unis

One's Own Blood

Metalcore - Etats-Unis

Oni (CAN)

Metalcore - Canada

Only Silence

Metalcore - Brésil

Onward To Olympas

Metalcore - Etats-Unis

Onward We March

Metalcore - Etats-Unis

Ookami

Metalcore - France

Opal In Sky

Metalcore - Canada

Opalized

Metalcore - France

Oracle (UK-2)

Metalcore - Royaume-Uni

Orchid's Curse

Metalcore - Canada

Orias

Metalcore - Etats-Unis

Orient Fall

Metalcore - Hongrie

Orinoco

Metalcore - Etats-Unis

Orphelia

Metalcore - Brésil

Orpheus Note

Metalcore - Israël

Orwellian

Metalcore - Etats-Unis

Os'Satur

Metalcore - France

Oscuro Diciembre

Metalcore - Mexique

Othello

Metalcore - Etats-Unis

Our Anchored Hearts

Metalcore - Australie

Our Darkest Day

Metalcore - Etats-Unis

Our Days Are Numbered

Metalcore - Etats-Unis

Our Dying Dreams

Metalcore - Etats-Unis

Our Hollow, Our Home

Metalcore - Royaume-Uni

Our Imbalance

Metalcore - Royaume-Uni

Our Last Breath

Metalcore - France

Our Reflections

Metalcore - Mexique

Our Souls Evolve

Metalcore - Canada

Our Transfixion

Metalcore - Etats-Unis

OurLastBreath

Metalcore - Suède

Out Of My Eyes

Metalcore - France

Out Of My League

Metalcore - Canada

Outcry

Metalcore - Italie

Outcryfire

Metalcore - Royaume-Uni

Outer Glow

Metalcore - Etats-Unis

Outlands

Metalcore - Etats-Unis

Outrun The Gun

Metalcore - Etats-Unis

Over The Reason

Metalcore - France