Concert by the International Sinfonietta New York Debut Entered from booking ledger and New York Times concert listing and review. WORLD PREMIERE of Enrique Ubieta's ENSAYO TIPICO NO. 3 "Who Makes Music and Where." New York Times (1923-), Mar 03 1968, p. 1. ProQuest. Web. 3 Dec. 2024. Sherman, Robert. "EMIGRES' ORCHESTRA HAS CONCERT DEBUT." New York Times (1923-), Mar 11 1968, p. 49. ProQuest. Web. 3 Dec. 2024. chamber orchestra performance 1968-03-09T20:30:00