Bach, JS - Chorale Partita: O Gott! du frommer Gott! BWV 767 (arr)  Ref: 4--010 Arranged for string quartet One of six sets of organ variations on chorale themes. A substantial work, lasting some 13 minutes, with a very satisfying cello obligato in Partita II, some playful skipping moments in Partita VII and enjoyable imitation in the chromatic Partita VIII. see sample score