. . . . . . "1951-05-02Z"^^ . . . "1979-11-17Z"^^ . . . . "1962Z"^^ . . . "British musician" . "Glascock, John"@en . . . . "1951Z"^^ . "1979Z"^^ . . . . . . . . . . . "John Glascock (2 May 1951 \u2013 17 November 1979) was the bass guitarist, backing vocalist, and occasional lead vocalist for the progressive rock band Carmen. He was also the bass guitarist and backing vocalist for the progressive rock band Jethro Tull from December 1975 until August 1979."@en . "John Glascock"@en . "1979Z"^^ . . "solo_singer" . .