Critical commentary in German to accompany score, published separately.
Includes bibliographic references and indexes.
Warum betrübst du dich, mein Herz (BWV 138) -- Was Gott tut, das ist wohlgetan (BWV 99) -- Jauchzet Gott in allen Landen (BWV 51) -- Anhang: Bearbeitung der Kantate Jauchzet Gott in allen Landen / Wilhelm Friedemann Bach