"Keith Relf"@en . . . . . "1943-03-22Z"^^ . "Relf, Keith"@en . . . . . . "William Keith Relf (22 March 1943 \u2013 14 May 1976) was an English musician, best known as the lead vocalist and harmonica player for The Yardbirds."@en . . "solo_singer" . "1976-05-14Z"^^ . "William Keith Relf"@en . "1976Z"^^ . "was an English musician" . "1956Z"^^ . "1943Z"^^ . . . "1976Z"^^ . . . . . . . .