There are at least four artists named Uno: 1) Alter ego of german hip hop artist twit one, used for the Instrumental Hip Hop Album "Testiculo y Uno - Hi-Hat Club Vol. 1" in collaboration with german producer Hulk Hodn as Testiculo. 2) Formed from the ashes of Osanna when the band split in 1974 by Elio D'Anna and Danilo Rustici along with drummer Enzo Vallicelli (from Hellza Poppin, who had played with Osage Tribe and Claudio Rocchi), Uno was a much-hyped band that went to England to record their first and only album with help from lyricist N.

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