. . . . "chamber music performance" . "Entered from booking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS OF THE WEEK.\" New York Times (1923-Current file), Jan 19, 1958, pp. 1. ProQuest.\r\n\"Music for the Clavichord is Performed.\" New York Times (1923-Current file), Jan 20, 1958, pp. 18. ProQuest." . . "1958-01-19T14:45:00"^^ . . "Amor Musicae" .