. . "Suzanne Sigal, Mezzo-Soprano" . . . . . "solo recital" . . . . . . . . . . . "New York Debut\r\nEntered 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), Nov 23 1958, p. 1. ProQuest. Web. 8 June 2020.\r\n\"SUZANNE SIGAL IS HEARD: MEZZO-SOPRANO IN DEBUT AT CARNEGIE RECITAL HALL.\" New York Times (1923-Current file), Dec 01 1958, p. 38. ProQuest. Web. 9 June 2020." . . . "1958-11-29T20:30:00"^^ .