Special projects

Duo Van Keulen – Payer Isabelle van Keulen (violin) en Ulrike Payer (piano); From Einsteins violincase: a story-telling concert Delta Piano Trio with Ab Nieuwdorp; Opera or symphony ….. for violin and piano Mathieu van Bellen and Mathias Halvorsen; Robert, Clara and Johannes: a fatal love triangle Delta Piano Trio en Ab Nieuwdorp.