- 1 U2
- 2 Unheilig
- 3 UB40
- 4 Ultrabeat
- 5 Us3
- 6 Unkle
- 7 Unknown Brain
- 8 Until June
- 9 Us The Duo
- 10 Ummon
- 11 unwritten law
- 12 Udo
- 13 Union J
- 14 UGK
- 15 Underoath
- 16 Urbanize
- 17 Utah Saints
- 18 Underworld
- 19 Uakti
- 20 UFO
- 21 United Nations
- 22 unity
- 23 unknown mortal orchestra
- 24 Urban Cone
- 25 USS
- 26 UUVVWWZ
- 27 universe
- 28 Until We Are Ghosts
- 29 Underskyes
- 30 Urstreet