Entered from booking ledger and New York Times concert listing and review.The review indicates that composer Vazgen Muradian was present to hear the premiere of his new work. WORLD PREMIERE of Vazgen Muradian's MEDITATION, OP. 47 “Who Makes Music and Where.” New York Times [New York, N.Y., United States], 13 Oct. 1974, p. 177. AL. Sherman, Robert. “Miss Von Bartesh Gives Piano Recital.” New York Times [New York, N.Y., United States], 20 Oct. 1974, p. 65. GN.