Concert of Operatic Excerpts Entered from booking ledger and New York Times concert listing and review. Listed in the booking ledger as "New Voices". The review does not indicate which singers sang each aria. "CONCERT AND OPERA PROGRAMS _." New York Times (1923-), Jan 03 1960, p. 1. ProQuest. Web. 5 May 2022. "Operatic Excerpts Heard." New York Times (1923-), Jan 04 1960, p. 36. ProQuest. Web. 5 May 2022. 1960-01-03T20:30:00