With a new member, Emerson String Quartet is still masterful

The Emerson String Quartet received two standing ovations Saturday evening, one as they entered Baird Auditorium at the Smithsonian's Museum of Natural History, and another when they finished their program of Haydn, Bartok and Schubert. The initial burst of love was to mark a major milestone in the history of American chamber music: the first change in the blue-chip ensemble's membership since 1979. The second ovation was earned the usual way, through the exceptional musicianship displayed in Sc...