Carl Philipp Emanuel Bach (1714-1788) has to be the most rewarding, expressive, and entertaining of all the composers whose work fell into obscurity in the years following his death. He was overshadowed both by the rediscovery of his father, Johann Sebastian, and by the rise of the classical composers Haydn, Mozart, and Beethoven in Vienna. In his lifetime, however, he was considered "the great Bach " a musician of astonishing originality and a true...