The 1st work performed from Herbert Wulf's revision of the ms. in the Westdeutsche Bibliothek, Marburg (Mus. Ms. 15760/2); the 2d, from Nagels Musik-Archiv Nr. 176 (Kassel, 1954)
Durations (with pauses): 26 min., 20 sec., and 26 min., 5 sec., respectively.
Program notes by Fritz Bose on container continued on 2 cards inserted.
The 1st work recorded in Rudolf-Oetker-Hall, Bielefeld, Mar. 4-5, 1962; the 2d, in Gartenstadt-Hall, Nuremberg, June 4-5, 1961.