broadcast string quartet by Frank Denyer

workshop ism Willem Boogman voor Arben Ramadani

recording "Melodies" by Frank Denyer for label Another Timbre

"Intermezzi" by Willem Boogman

CD recording with works by Kunsu Shim

string quartet "Outside the rain has stopped" by Ig Henneman

Mahlers "Kindertotenlieder" in een bewerking van Klaas Hoek

string quartets by Kunsu Shim and Gerhard Stäbler