The Zurich Piano Quartet: Olivia Petrovan, piano, Rudolf Koelman, violin, Conrad Zwicky, viola, Markus Stocker, violoncello. The Zurich Piano Quartet has been performing since 1990, undertaking a series of highly successful concert tours, above all in Scandinavia. Enthusiastic judgments by renowned music critics testify to the ensemble's high level of performance. All the musicians perform as soloists in numerous countries.
The Zurich Piano Quartet: Olivia Petrovan, piano, 
