With an introduction by Christoph Wolff. The complete Bach cantatas, motets, chorales and sacred songs in the Urtext of the New Bach Edition (series I and III). This beautiful set of 19 study scores features clear notation, excellent layout and a compact format (16.5 x 22.5 cm). Also included is the recently discovered aria Alles mit Gott und nichts ohn' ihn and an additional volume featuring an index and an introduction (Ger. and Eng.) by Christoph Wolff.