Uncle Si & The SicoticsUnconditionalUndercover DivasUndercover Divas ft. SamUnderdogUnderdog ProjectUnderground RiseUnderoathUndersetUnder the Influence of GiantsUnder The Influence Of GiantsUnder ThisUnderworldUnhinderedU-N-IUnibomberUnicorn KidUnified TheoryUnifunkation Feat. Alexander EastUninvited PartnersUniqueUnit-911United Funk PilotsUnited GhostsUnited Nations ProjectUniting NationsUniting Nations ft. Nate JamesUnity ft. Amuka, Sly Stone, Bebe & George ClintonUnity ft. Stic.Man Of Dead PrezUniversal AgentsUniversal XpressionUNIVZUnkUNKUnk ft. Andre 3000 & Big BoiUNK ft. Andre 3000, Jim Jones & Big BoiUnk ft. Baby DUNK ft. Baby DUnkleUnkle AdamsUnkle Feat. Ian BrownUNKLE ft. Gavin ClarkUnknown Mortal OrchestraUnladylikeUnlike Pluto ft. Mike TaylorUnlocoUnmarkUn:Plug ft. MutabarukaUnSaid FateUnspokenUntidy DJ'sUntilUntil JuneUntil The Ribbon BreaksUn TiticoUntoten Vs. SOKO FriedhofU.N.V.Unwritten LawUp & ForwardU.P.O.Upon A Burning Body ft. Ice TUp On HighUppergroundUPSAHLUp Yours ft. Feral Is KinkyUrban ConeUrban Cone ft. Tove LoUrban Cookie CollectiveUrban DUrban Dance InstitutionUrban Dance SquadUrban D Feat. KJ-52Urband SoulUrbanes Eliot 'El Mago De Oz'Urbanized Feat. SilvanoUrban MisfitsUrban MotionUrban MysticUrban RescueUrban SoulUrban Soul & DJ Roland Clark ft. Craig DavisUrge OverkillUriel BarreraU.R.R.Ursula 1000Ursula RuckerUrsula's WorldUS 3US3USA For AfricaU.S.D.A.Used DiscoU.S. GraftUsherUsher & Alicia KeysUsher Feat. Alicia KeysUsher Feat. DiddyUsher ft. Beyonce & Lil' WayneUsher ft. Ella Mai