Klaus Mertens
![Mertens (centre) with the Amsterdam Baroque Orchestra and Ton Koopman (right)](https://upload.wikimedia.org/wikipedia/commons/8/8e/FolleJourn%C3%A9e2009_AmsterdamBaroqueOrchestra.jpg)
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Published 1990
Other Authors: ';
“...Mertens, Klaus...”
Book