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