. "Entered from New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS FOR THE WEEK.\" New York Times (1923-Current file), Apr 07 1957, p. 138. ProQuest. Web. 20 July 2021.\r\n\"SONATA BY CARTER HEARD IN CONCERT.\" New York Times (1923-Current file), Apr 08 1957, p. 19. ProQuest. Web. 20 July 2021." . . "chamber music performance" . . "1957-04-07T17:30:00"^^ . . . . . "Chamber Music Circle Concert" .