Les groupes sur United Rock Nations

U-Bilam

U.D.O.

Uada

UFO

Ufomammut

Ugly Kid Joe

Ulcerate

Ulcus

Uli Jon Roth

Ulsect

Ulster Page

Ultha

Ulthar

Ultra Violence

Ultra Vomit

Ulvedharr

Unanimated

Unborn Generation

Unchained

Uncle Acid and the Deadbeats

Uncommon Evolution

Uncommonmenfrommars

Uncut

Undead Prophecies

Underling

Underoath

Underwing

Unearth

Uneven Structure

Unfathomable Ruination

Unflesh

Ungfell

Unholy Baptism

Union Jack

United Guitars

Universum

Univertigo

Unleash The Archers

Unleashed

Unmerciful

Unprocessed

Unreal Terror

Unrest Fatalist

Unruly Child

Unscarred

Unseelie

Unswabbed

Until the Uprising

Unto The Wolves

Unveven Structure

Unzucht

Upside Down

Urgehal

Uriah Heep

Usurper

Usurpress

Uuntar