Swiss keyboardist.
ALBUMS
Urs Bœschenstein*, Corina Curschellas*, Elena Riesen, Stephan Ammann, Andreas Grieder Und Fritz Hauser
Kinderlieder Aus Aller Welt
1980, Cassette, 
Circus All Star Band*
Live
1978, Vinyl, ,
, Psychedelic Rock/Prog Rock
Circus
The Remasters 2021 – Toronto NYC Istanbul
2024, CD, Comp, RM, Chickadisc
Circus
The Night Step
1980, 7", Single, Illuminatus Records, 
,
, Prog Rock
Blue Motion
Blue Motion
1980, Vinyl Gatefold, ,
, Prog Rock/Symphonic Rock
Circus
Fearless Tearless And Even Less
1980
