As always in a musical collaboration: One has to like each other. As simple as that.
Sometimes I like to make music together with a singer or with singers.
The human voice is the first and most natural musical instrument, also the most emotional.
Everything changes permantly. How boring if it wouldn't.
Every music - except dance music, which is for dancing, I suppose - is for the spirit of the human being, and not for the body.
Yes, I was invited to make the sound environment at a booth of a huge electronic company, during the Hanover Industrial Fair in 1973. It was a job. Slightly good paid. But not as much as my producer then told the press.