The last movement of the German Organ Mass, this four-voice fugue is to be played on one manual. Articulation of the chorale is thus very important so it is clearly recognizable. Brad Lehman Temperament. Registration Gedackt 8' + Rohrflöte 4' + Prinzipal 2' + Quinte 1-1/3'. In memory of Dieter Ott, 1934-2010