A work-by-work commentary on the Bach cantatas by the world's most famous Bach scholar, now available in English and in paperback for the first time. It includes all the cantata librettos in German-English parallel text. An indispensable reference book for anyone listening to, performing in, or studying any of the Bach cantatas. - ;This is the only English translation of this important book by the world's most distinguished Bach scholar. This work is widely regarded as the most authoritative and comprehensive treatment of the Bach cantatas. It begins with a historical survey of the seventeenth