This record was followed by a radical change in direction 1969's Electronic Sound and atmospheric and sometimes disturbing avant-garde piece entirely performed on a moog three-piece synthesizer.

这张唱片之后，1969年创作了《Electronic Sound》，有时令人不安的前卫作品的方向发生了根本性的变化，完全在一个三件合成器上进行表演。