STOCKHAUSEN, KARL-HEINZ

= Videos =

Helicopter Quartet

 * https://www.youtube.com/watch?v=13D1YY_BvWU
 * https://www.youtube.com/watch?v=g2qQ6UWbRVc

Sirius

 * https://www.youtube.com/watch?v=1G3b65VU3L4

= Resources =


 * https://de.wikipedia.org/wiki/Karlheinz_Stockhausen