Music as PhilosophyBeethoven's late style is the language of his ninth symphony, the Missa Solemnis, the last piano sonatas and string quartets, the Diabelli Variations, the Bagatelles, as well as five piano sonatas, five string quartets, and several smaller piano works. Historically, these works are seen as forging a bridge between the Classical and Romantic traditions: in terms of their musical structure, they continue to be regarded as revolutionary. Spitzer's book