. . . . . "Presented in association with League-ISCM\r\nEntered from booking ledger and New York Times concert listing and review. The flutist, oboist, and cellist are not identified.\r\nNEW YORK PREMIERE of Robert Helps' SACCADE\r\nNEW YORK PREMIERE of Charles Wuorinen's MAKING ENDS MEET\r\n\"Who Makes Music and Where.\" New York Times (1923-), 13 Apr. 1969, p. 1. ProQuest. Web. 13 May 2025.\r\nStrongin, Theodore. \"Avant-Garde Series Presents Premiere of Wuorinen Work.\" New York Times (1923-), 14 Apr. 1969, p. 56. ProQuest. Web. 13 May 2025.\r\n" . "1969-04-13T20:30:00"^^ . . "chamber music performance" . . "League/ISCM Concert: The Continuing Avant-Garde" . . . . .