Fiducit - an affirmation, something like ‘so be it’.
Was used repeatedly in the student fraternity. This is also the case in this song.
The melody is by August Wilhelm Briesewitz, who lived from 1810 to 1876, the lyrics by a certain Salomon from 1834.
Let's leave it at that ......
The composition is once again in 3 parts, this time with an extremely expansive fugue that lasts over 6 minutes.