. "1960-03-07T20:30:00"^^ . . . "Concert by the Composers Group of New York City" . . . . . "Program of First Performances\r\nEntered from booking ledger and New York Times concert listing and review.\r\nWORLD PREMIERE of all works on the program\r\n\"CONCERT AND OPERA PROGRAMS OF THE WEEK.\" New York Times (1923-), Mar 06 1960, p. 1. ProQuest. Web. 15 June 2022.\r\nBriggs, John. \"Pasternak Poems.\" New York Times (1923-), Mar 08 1960, p. 38. ProQuest. Web. 15 June 2022." . . . "chamber music performance" .