Sorge's prelude to "Nun lasst uns gehen" follows the pattern of the preceding ones: one manual for the accompaniment and one manual for the choral melody. Interesting in this piece is that the choral melody is presented in the accompanying voices before it appears on the solo manual. T
The recording was done with the Hauptwerk software and the sampleset, made by Voxus, of the Müller organ in the Sint Bavokerk, Haarlem (http://www.voxusorgans.com/en/product/haarlem).
Score available here: http://partitura.org/index.php/georg-andreas-sorge-nun-lasst-un-gehen