Entered from booking ledger and New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-), 05 Oct. 1969, p. 1. ProQuest. Web. 3 June 2025. Davis, Peter G. "Michael may Offers A Keyboard Recital." New York Times (1923-), 13 Oct. 1969, p. 55. ProQuest. Web. 3 June 2025.