Concert of Works by Harold Branch and Harold Seletsky Entered from booking ledger and New York Times concert listing and review. The musicians included an unidentified violinist and a "sizable percussion ensemble" performing Harold Seletsky's "Apathy". "Who Makes Music, Where and when: METROPOLITAN OPERA OTHER EVENTS." New York Times (1923-), Feb 06 1966, p. 1. ProQuest. Web. 26 Aug. 2024. "2 Composers Offer their Own Works at a Concert here." New York Times (1923-), Feb 08 1966, p. 34. ProQuest. Web. 26 Aug. 2024. chamber music performance 1966-02-07T20:30:00