Concert of Contemporary Czechoslovak Chamber Music Entered from booking ledger and New York Times concert listing and review. The full program and correct program order are uncertain. Besides harpist Dagmar Platilová, the performers are not identified. "Who Makes Music and Where." New York Times (1923-), 27 Apr. 1969, p. 1. ProQuest. Web. 19 May 2025. Jones, Robert T. "CLASSICS AT CORE OF CZECH CONCERT: DUSIK AND VORISEK SONATAS ARE EVENING'S HIGHLIGHTS." New York Times (1923-), 29 Apr. 1969, p. 40. ProQuest. Web. 19 May 2025. chamber music performance 1969-04-28T20:30:00