Primarily active in the genres of disco, rhythm and blues, and soul, he was known for his flamboyant and androgynous appearance, falsetto singing voice, and hit disco singles in the late 1970s and 1980s.īorn in Watts, Los Angeles, to a middle-class African-American family, Sylvester developed a love of singing through the gospel choir of his Pentecostal church. (September 6, 1947 – December 16, 1988), known mononymously as Sylvester, was an American singer-songwriter.