The Music Master was a theatrical play written by Charles Klein, and produced and directed by David Belasco. The three-act comedy-drama opened at the Belasco Theatre in New York on September 26, 1904. It ran for 288 performances before it was moved to the Bijou Theatre and ran for another 306 performances. David Warfield originated the title role, Anton Von Barwig,[1] and continued playing it in revivals and on tour for two decades. William Furst composed the play's incidental music.[2]