In the 1st work: Kölner Rundfunk Sinfonie-Orchester ; Bruno Maderna, Michael Gielen, and the composer conducting ; in the 2nd work: Sinfonie-Orchester und Chor des Norddeutschen Rundfunks, Hamburg ; Mauricio Kagel, Andrzej Markowski, Michael Gielen, and the composer conducting
Ed. recorded: Universal Edition.
Program notes in German by the composer, with English translation by Rolf Gehlhaar, on container.
Recorded May 9, 1965 (1st work); October 1960 (2nd work).