Liedsatz und Fugato "Wer hat dies schöne Wort erdacht"

Here now after one week break my next piece of music. It is a song movement and fugato to a melody by Anton Gersbach from 1830.
It is a very powerful theme which can be set to music very well on the baroque organ in Strassburg (Austria).
There are 2 verses on the manual of the main work coupled with the positive, then the fugato on the positive and finally the 3rd verse with everything the beautiful baroque organ has to offer:

Have fun with it!