Gerd Zacher (organ)
Juan Allende-Blin, Hans Martin Balz, John McCaughey (back instruments)
Giuseppe G. Englert,Leopold Keijsers, Timothy Albrecht (tape) 외
Interprentenensemble Darmstadt
녹음: 1972 Stereo, Analog 장소: Hessischer Rundfunk & Darmstädter Ferienkurse