This last in a two-volume study examines Bach's musical compositional development in his later years, including his time at Cðthen and Leipzig. This book qualifies immediately as a towering work of outstanding musical analysis...Jones's new volume continues also to be a valuable digest of the thoughts of other scholars; spanning the Cöthen years as well as Leipzig, it is a masterpiece of compression and precision, yet finds time to ventilate the most interesting aspects of Bach Scholarship.