Interaction Chamber Group Entered from booking ledger and New York Times concert listing and review. NEW YORK PREMIERE of Louis Weingarden's THINGS HEARD AND SEEN LAST SUMMER "Who Makes Music and Where." New York Times (1923-), 10 Jan. 1971, p. 1. ProQuest. Web. 25 Aug. 2025. Ericson, Raymond. "Juilliard Group Gives Concert." New York Times (1923-), 14 Jan. 1971, p. 44. ProQuest. Web. 26 Aug. 2025. chamber music performance 1971-01-12T20:30:00