Sutermeister Capriccio for Solo Clarinet (in A)

The Sutermesiter Capriccio for Solo Clarinet is one of the more accessible solo worksfor the instrument. I had a request for information on this work from a young man in New Zealand who is studying and working on it in order to play for anexam. He could find nothing about it to place in his program notes; and in away there is not a lot or material on Mr. Sutermeister