UNDATED: Unknown (probably Kontakte p&p and Momente)
Concert date:
Friday, January 31, 1964
Works performed:
Unknown
Performers:
Concert Series:
City:
Brussels
Programme text:
DATE UNSPECIFIED!!!
Aloys et Bernhard Kontarsky, Johannes G. Fritsch, Christoff Caskel, Jaap Stek (sic), Quintette Danzi avec le Concours de Karl-Heinz Stockhausen