The New Amsterdam Ensemble Entered from booking ledger and New York Times concert listing. French hornist William Brown, who signed the license agreement to rent Carnegie Recital Hall, is the only individual performer that could be definitively associated with this performance. “Who Makes Music.” New York Times [New York, N.Y., United States], 24 Feb. 1974, p. 108. AL. chamber music performance 1974-02-27T20:00:00