. "Escher, Rudolf George"@en . "Composer" . "Rudolf Escher (Amsterdam, 8 January 1912 \u2013 De Koog, 17 March 1980) was a Dutch composer and music theorist. He left compositions for chamber orchestra and orchestra, vocal and one electronic composition. Escher was also a poet, painter and writer."@en . "1912-01-08Z"^^ . . . "1980-03-17Z"^^ . . "1980Z"^^ . "1912Z"^^ .