"non_vocal_instrumentalist" . . . . "1969Z"^^ . "1947-08-25Z"^^ . . . . . . "Keith Tippett (born Keith Graham Tippetts; 25 August 1947) is a British jazz pianist and composer."@en . . . . . . . . . . . . . "Keith Tippett"@en . . "Tippett, Keith"@en . "1947Z"^^ . . . . "Keith Graham Tippetts"@en . "British musician" . .