Complex sentence: ' ("A Mighty Fortress Is Our God "), BWV 80, is a chorale cantata for Reformation Day by Johann Sebastian Bach, reworked from the his Weimar cantatas,"Alles, was von Gott geboren", BWV 80a.
Split into simpler sentences: ' ("A Mighty Fortress Is Our God "), BWV 80, is a chorale cantata for Reformation Day by Johann Sebastian Bach. He reworked it from one of his Weimar cantatas,"Alles, was von Gott geboren", BWV 80a.