Entered from booking ledger and New York Times concert listing and review. “Who Makes Music.” New York Times [New York, N.Y., United States], 9 June 1974, p. 126. AL. Hughes, Allen. “Recital: A Gifted Cellist.” New York Times [New York, N.Y., United States], 13 June 1974, p. 51.
Ulrich Heinen, Cello, and Robert Black, Piano