Wikipedia
Kontakte (Stockhausen)
Kontakte ("Contacts") is a celebrated electronic music work by Karlheinz Stockhausen, realized in 1958–60 at the Westdeutscher Rundfunk (WDR) electronic-music studio in Cologne with the assistance of Gottfried Michael Koenig . The score is Nr. 12 in the composer's catalogue of works, and is dedicated to Otto Tomek.