- 1 Urbanize
- 2 Udo
- 3 Underworld
- 4 Uncle SLow
- 5 Und3rsound
- 6 UnitedEra
- 7 Underoath
- 8 unknown mortal orchestra
- 9 Ulv
- 10 UGK
- 11 Until I Wake
- 12 United Nations
- 13 Unknown Brain
- 14 U2
- 15 Uusi Fantasia
- 16 UFO
- 17 Untamed
- 18 Unity Pacific
- 19 Urban Flow
- 20 Ummon
- 21 Utmarken
- 22 Utah Saints
- 23 unwritten law
- 24 Ultra Orange
- 25 United Strings of Europe
- 26 Union Station
- 27 unity
- 28 Ukebox
- 29 Upa
- 30 Ultramarine