Patricia Tregellas, Accordion Entered from booking ledger and New York Times concert listing and review. WORLD PREMIERE of Alexander Tcherepnin's PARTITA NEW YORK PREMIERE of Cecil Effinger's NOCTURNE NEW YORK PREMIERE of Ted Zarlengo's SUITE NEW YORK PREMIERE of Ernst-Lothar Knorr's SONATA IN C MAJOR "CONCERT AND OPERA PROGRAMS THIS WEEK." New York Times (1923-), Sep 16 1962, p. 141. ProQuest. Web. 21 Aug. 2023. "ACCORDION WORKS HEARD IN RECITAL: PATRICIA TREGELLAS GIVES 3 NEW YORK PREMIERES." New York Times (1923-), Sep 17 1962, p. 38. ProQuest. Web. 21 Aug. 2023. solo recital 1962-09-16T17:30:00