"Entered from booking ledger and New York Times review.\r\n\"Music: Chamber Circle: Instrumental Ensemble Opens its Season with an Unhackneyed Program.\" New York Times (1923-), Nov 25 1957, p. 28. ProQuest. Web. 17 Sep. 2021" . "1957-11-24T17:30:00"^^ . . . . . "Chamber Music Circle Concert" . . . . "chamber music performance" . .