Spiral, Klavierstück IX, Pole, Prozession

Concert date: 
Friday, April 30, 1971
Works performed: 
Klavierstück IX
Pole
Prozession
Spiral
Performers: 
Aloys Kontarsky
Christoph Caskel
Harald Bojé
Hugh Davies
Karlheinz Stockhausen
Peter Eötvös
Concert venue: 
St John Smith Square
City: 
London
Programme text: 
Spiral by Bojé on Electronium. Eötvös plays "55 chord". Sound equipment: Hugh Davies