. . . . . . . . "1963-05-12T20:30:00"^^ . "Contemporary Chamber Ensemble" . "Entered from booking ledger and New York Times concert listing and review.\r\nNEW YORK PREMIERE of Michael Colgrass' LIGHT SPIRIT\r\nNEW YORK PREMIERE of George Rochberg's SERENATE D'ESTATE\r\nWORLD PREMIERE of Ezra Laderman's NONETTE\r\nNEW YORK PREMIERE of William Sydeman's MUSIC FOR FLUTE, VIOLA, GUITAR AND PERCUSSION\r\nNEW YORK PREMIERE of Karlheinz Stockhausen's KONTRA-PUNKTE\r\n\"THIS WEEK'S CONCERT AND OPERA PROGRAMS.\" New York Times (1923-), May 12 1963, p. 1. ProQuest. Web. 29 Sep. 2023.\r\n\"Weisberg Leads Premieres.\" New York Times (1923-), May 13 1963, p. 34. ProQuest. Web. 29 Sep. 2023." . . "chamber music performance" . .