Concert by the Composers Group of New York City Entered from booking ledger and New York Times concert listing and review. WORLD PREMIERE of Carl Sigmon's 6 ETUDES FOR PIANO WORLD PREMIERE of Vally Weigl's LYRICAL SUITE WORLD PREMIERE of Elizabeth Gyring's PIANO SONATA NO. 1 WORLD PREMIERE of Charles Haubiel's 5 ETUDES FOR 2 HARPS WORLD PREMIERE of Eda Rapoport's SONATA NO. 2 FOR VIOLIN AND PIANO, "AMERICAN" "CONCERT AND OPERA PROGRAMS FOR THE WEEK: OPERA." New York Times (1923-Current file), Oct 21 1956, p. 132. ProQuest. Web. 5 Apr. 2021. "2 HARPISTS PERFORM NEW HAUBIEL WORK." New York Times (1923-Current file), Oct 27 1956, p. 16. ProQuest. Web. 5 Apr. 2021. chamber music performance 1956-10-26T20:30:00