Edited from a ms. copied by Berendt Petri in Hamburg before 1611, now in the Landsarchivet, Visby, Sweden.
Original tablature transcribed into modern notation.
Contains anonymous works as well as works by Hieronymous and Jacob Praetorius, and Johan Bahr.
"The transcription of the Magnificat primi toni by Hieronymus Praetorius in the Clausthal-Zellerfeld tablature is included as an Appendix, in order that all the extant organ compositions by this master may be contained in one volume"--Introduction
