"...the founders of the American constitution, who were far from frivolous, thought fit to mention the pursuit of happiness as a proper aim for mankind, and if ever this aim has been given visible form it is in rococo architecture - the pursuit of happiness and the pursuit of love." Sir Kenneth reflects on the nature of eighteenth century music, the music of Bach, Handel, Hadyn, and Mozart, and - after discussing the painter Watteau - considers that some of its qualities are found in rococo architecture.