Empire Opera Company Entered from booking ledger and New York Times concert listing and review. According to the review, during intermission there was a panel discussion by officers of the National Federation of Music Clubs. The review does not name the accompanist for the Menotti opera. NEW YORK PREMIERE of Irving Mopper's THE DOOR "CONCERT AND OPERA PROGRAMS FOR THE WEEK." New York Times (1923-Current file), Nov 13 1955, p. 1. ProQuest. Web. 28 Sep. 2020. "2 One-Act Operas Given." New York Times (1923-Current file), Nov 21 1955, p. 23. ProQuest. Web. 30 Sep. 2020. 1955-11-19T20:30:00