Aus den Sieben Tagen (Es), Conference, Kurzwellen

Concert date: 
Sunday, December 15, 1968
Works performed: 
Aus den Sieben Tagen
Es
Kurzwellen
City: 
Brussels
Programme text: 
Not sure of these details - they come from different sources including a mention in a programme from Darmstadt 1969 by Stockhausen and from a letter in the Aufführungspraxis file about equipment for these concerts.