Unidad Concreta
Artist with "" album

Artist with the following albums: "Pasodobles Taurinos", "", "Relevo en Palacio"

Artist with "Prision Virtual" album

Unidade Rap
Artist with the following albums: "A hora da verdade", "Siga seu caminho"

Uniden
Artist with "Miłosne uniesienie" album

Unidentified Floating Ambience
Artist with "UFA" album

Unidentified Flying Artists
Artist with "U.F.A" album

unidentified flying orchestra
Artist with the following albums: "U.F.O", "Unconfirmed Sightings"

Unidentified Sound Object
Artist with "InharmoniCity" album

Unidentified Sound Objects
Artist with "Styrofoamafrocut" album

Unidos
Artist with the following albums: "Iglesia de la calle", "A fuego con la palabra", "Demo"

Unidynes
Artist with "Once in a Blue Room" album