Fuga super Prelude en fa mineur

Dear friends of organ music, dear Jean-Paul - here now to the beautiful Prelude en fa mineur the - hopefully fitting - fugue. I couldn't get this theme out of my head and it called for a fugue, so to speak. Jean-Paul is probably the best judge of whether it fits. I would be happy if it did.

@Jean-Paul: I have also attached the MIDI file, perhaps you would like to try the piece on another organ. There are no controllers in it, so you have to register first. Channel 0 is the Hauptwerk, 1 the Positiv and 2 the Pedal - have fun experimenting!