Entered from booking ledger and New York Times concert listing and review. At the time of this performance, Marylou Speaker was a member of the Boston Symphony Orchestra. “Who Makes Music and Where.” New York Times [New York, N.Y., United States], 5 Nov. 1972, p. D31. ARTS AND LEISURE. ProQuest. Henahan, Donal. “Music: A Young Violinist.” New York Times [New York, N.Y., United States], 8 Nov. 1972, p. 56. ProQuest.