UltraBlack
dubstep, electronic, grime
Ultraísta
electronic, electronica, pop, synthpop
Ultramagg
emo, indie rock, post-hardcore
Ultramarine
ambient, ambient house, electronic, electronica, folktronica
Ultramelanhool
alternative rock
Ultrasun
dance, electronic, trance
Ultravox
new romantic, new wave, synthpop
Ulver
ambient, avant-garde, black metal, electronic
Ulvhedin
black metal, pagan metal, viking metal
Ulvhedner
black metal, melodic black metal, viking metal
Ulysses Siren
speed metal, thrash metal
Uma2rmaH
pop rock, rock, singer-songwriter
Umajets
alternative rock, power pop, rock
Umami
drum and bass, electronic, electronica
Umberto Bindi
classic, pop, singer-songwriter
Umberto Palazzo
blues, post-rock, folk
Umberto Palazzo e il Santo Niente
alternative rock, grunge, indie rock, noise rock
Umbra Animae
death metal, industrial death metal, industrial metal
Umbra Et Imago
darkwave, gothic metal, gothic rock
Umbrtka
avant-garde, black metal, metal
Ummet Ozcan
electronic, progressive trance, tech trance, trance
Umphrey's McGee
jam band, progressive rock, rock
Umut Kaya
alternative rock, rock
Una Mae Carlisle
jazz, swing, vocal jazz
Una Mas Trio
bossa nova, funk, nu jazz
Unai
electronic, house, microhouse, techno
Unanimated
black metal, blackened death metal, death metal, melodic death metal
Unarmed For Victory
metal, metalcore, post-hardcore
Unbelievable Truth
britpop, indie rock, singer-songwriter
Unbreath
melodic death metal, metal
Unbroken
metalcore, straight edge
Uncalled 4
new wave, punk rock
Uncanny X-Men
classic rock, pop, rock