Watch FMovies. Karl Richter leads Gundula Janowitz and Hermann Prey in Bach’s monumental B minor Mass The work was filmed in the splendid Baroque abbey church of Diessen in Bavaria, which dates from Bach's time. Messe in h-moll Mass in B minor BWV 232 Gundula Janowitz · Hertha Töpper Horst R. Laubenthal · Hermann Prey Münchener Bach-Chor Münchener Bach-Orchester Karl Richter Directed by Arne Arnbom