The fifth prelude from Vallade's "Dreyfaches Musicalisches Exercitium". The texture of the fifth preambulum is a bit thin in my eyes (ears). So, since it was written for educational purposes, I took the liberty to add some notes to fill in the harmonies.
The recording was done with the Hauptwerk software and the sample set of the Holzey organ of St. Peter and Paul in Weissenau by Prospectum (http://www.prospectum.com/index.php?language=english&id1=2&id2=9).
An edition with all 7 Preambulae is available here: http://partitura.org/index.php/johann-baptist-anton-vallade-dreyfaches-musicalisches-excercitium/