A Viennese might confess, in a weak moment, that the Danube is not quite so blue as Herr Strauss insists. But question the supremacy of the Burg Theater? Never. From a converted ball-house in 1741 to the limestone monument on the Ring that opened its doors in October 1888, this is the story of how one emperor’s pet question, “Well, and what do you think of my theater?”, built the finest playhouse in the world.