Details: They were exciting years, when Miles Davis used to drive through New York in an open sports car listening to Stockhausen's tape manipulations, and when Kraftwerk and Can in Düsseldorf and Cologne developed their own special style of Kraut rock. Experimentation with electronic music, and research into all it's possibilities, were very exciting, but could be extremely frustrating too, especially under live conditions. "There were no instructions, no one who could help you to find the different sounds and effects." Plus there was the problem that the Moog had no memory, so that each musical step had to be noted down and set up again in the same constellation for the performance.