Communication third part of the Darmstadt Lecture "Composition as process" (1958) - Cage, John 1912-1992; Wolff, Christian 1934-; Nilsson, Bo 1937-2018; Cage, John 1912-1992 (NEOS Music, 2012)
Enth. außerdem: For piano with preparations (1957) / Christian Wolff. Quantitäten (1958) / Bo Nilsson. Variations I (1958) / John Cage. - Interpr.: David Tudor, piano. - Aufn.: 1958