Unisonic
hard rock, heavy metal, power metal
United Flavour
dancehall, reggae, world music
Universal Hall Pass
electronic, electronica, trip-hop
UNKLE
downtempo, electronic, electronica, trip-hop
Unknown Hinson
country, rockabilly, western
Unleash the Archers
melodic death metal, metal, metalcore, power metal
Unlucky Morpheus
metal, power metal, speed metal
Unrelated Segments
garage rock, psychedelic rock
Unrest
grindcore, heavy metal, indie rock
Unsane
noise rock, post-hardcore
Until June
alternative rock, christian rock, pop rock, rock
Unwound
indie rock, math rock, noise rock, post-hardcore, post-rock
Unwritten Law
alternative rock, punk rock, rock
Upon a Burning Body
death metal, deathcore, metalcore
Upon This Dawning
electronic, emocore, metalcore, post-hardcore, screamo
Uppermost
electro, electro house, electronic, house, progressive house
Upstanding Youth
punk rock, reggae, ska, ska punk
Urbanator
acid jazz, jazz, jazz fusion
