. . "solo recital" . "Helen Harbison, Cello" . "chamber music performance" . "Entered from booking ledger and New York Times concert listing.\r\nNEW YORK PREMIERE of John Harbison's BERMUDA TRIANGLE\r\n“Jazz/Rock/Folk/Pop: Who Makes Music and Where.” New York Times [New York, N.Y., United States], 8 Apr. 1973, p. 173. AL." . "1973-04-11T20:00:00"^^ . . . . . . . .