. "Mario Serrano, Baritone" . . . . "solo recital" . "1958-01-23T20:30:00"^^ . . . "New York Recital 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-), Jan 19 1958, p. 1. ProQuest. Web. 24 Sep. 2021.\r\n\"Mario Serrano Gives Voice Recital here.\" New York Times (1923-), Jan 24 1958, p. 16. ProQuest. Web. 27 Sep. 2021." . . . . . . .