. "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-), Mar 20 1960, p. 1. ProQuest. Web. 28 July 2022.\r\n\"QUARTETTO Dl ROMA OFFERS TOUR FINALE.\" New York Times (1923-), Mar 21 1960, p. 25. ProQuest. Web. 28 July 2022." . . . "chamber music performance" . . "Quartetto di Roma, assisted by the Vocal Quartet of the Gramercy Chamber Ensemble" . . . "1960-03-20T17:30:00"^^ .