Karlheinz Stockhausen

Simon Stockhausen is seen here rehearsing Stockhausen's composition Synthi-Fou on the Yamaha SY-99.

Simon Stockhausen can be seen here with Karlheinz Stockhausen working on the composition, Oktophonie. In front of him are several keyboards, one of which is the Roland D-50.

Simon Stockhausen is seen in this photo with his father, Karlheinz Stockhausen, working on the composition Oktophonie. In front of him are several keyboards, one of which is the Yamaha DX7.

The distinct front of the Akai S1000 can be seen right beneath Simon Stockhausen's arm in this picture of him playing Karlheinz Stockhausen's composition Synthi-Fou.