. . . . "chamber music performance" . . . "Entered from booking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS FOR THE WEEK: OPERA METROPOLITAN CONCERTS, RECITALS TODAY.\" New York Times (1923-Current file), Dec 16 1956, p. 1. ProQuest. Web. 22 Apr. 2021.\r\n\"Music: Works by Kouguell.\" New York Times (1923-Current file), Dec 17 1956, p. 34. ProQuest. Web. 22 Apr. 2021" . "Arkadie Kouguell Chamber Music Concert" . . "1956-12-16T20:30:00"^^ . . . .