"American composer" . "1896Z"^^ . "Virgil Thomson (November 25, 1896 \u2013 September 30, 1989) was an American composer and critic. He was instrumental in the development of the \"American Sound\" in classical music."@en . "1989-09-30Z"^^ . . "1989Z"^^ . . "1896-11-25Z"^^ . "Thomson, Virgil"@en . . .