1965
1965 - Earle Brown, Four Systems - For Four Amplified Cymbals, West Deutsche Rundfunk Studios, Cologne, Germany, duration: 10'32"

In 1965, Max Neuhaus recorded his realization of Earle Brown's Four Systems (1954) at the Westdeutscher Rundfunk (WDR) studios in Cologne, a global center for electronic and experimental music.