
1) Composition by Iannis Xenakis
Found on
https://www.crosswordclues.com/clue/kraanerg

Kraanerg is a composition for 23 instruments and 4-channel analog tape composed by Iannis Xenakis, originally for a ballet with choreography by Roland Petit and set design by Victor Vasarely. It was created for the grand opening of the Canadian National Arts Centre in Ottawa, which was originally to coincide with Expo 67 but was delayed to 1969. T...
Found on
http://en.wikipedia.org/wiki/Kraanerg
No exact match found.