. . "Welsh musician" . . "Blue Weaver"@en . . . "Derek John \"Blue\" Weaver (born 11 March 1947, Cardiff, Wales) is a Welsh keyboardist, session musician, songwriter and record producer."@en . . . . . . . . . "non_vocal_instrumentalist" . . . . . . "1960Z"^^ . . . "Derek John Weaver"@en . "1947Z"^^ . "Blue Weaver"@en . . . . . . . . . . . . . . . . . . . . . . . "1947-03-11Z"^^ . "Weaver, Blue"@en . . . . .