JB Quartet


Jaan Bossier is a clarinetist of the Mahler Chamber Orchestra, the Ensemble Modern Frankfurt, and bass clarinetist of the Lucerne Festival Orchestra. He is founder and leader of the JAAN BOSSIER QUARTET. He participated in many master classes and festivals in Germany, France, Spain, Finland. He is a regular guest with the Concertgebouw Orchestra Amsterdam. As a conductor, Jaan has worked with the Belgian ensemble for new and experimental music Champ d’Action and with the Dutch Ensemble 306.


Megumi Kasakawa is the violist of the Ensemble Modern since 2010. After her studies in Osaka and Geneva, she worked at the Conservatory of Music in Geneva. Megumi has been invited to many festivals in England, Japan, and Switzerland. She played with the Ensemble Artefakt, the Camerata Bellerive, and she gives master classes in Japan, Korea and Taiwan.
Megumi Kasakawa won the Albert Lullin Prize in Geneva and the Verbier Academy Award for Viola.


Gwen Cresens is a belgian accordeon and bandoneon player, arranger and composer. He studied at the Conservatory of Music in Antwerp and followed masterclasses with Vladimir Subizki, Wiatcheslaw Semyonov, Oleg Sharov, Joseph Macerollo, Frank Marocco und Renzo Ruggiero.
Gwen has worked with Luciano Pavarotti, Stephan Eicher and Wannes van de Velde. He appeared with Flemish, Brussels and Rotterdam Philharmonic orchestras.


Axel Ruge was a scholarship recipient of the Orchestral Academy of the Berlin Philharmonic Orchestra, He worked as a solo bass in the Symphony Orchestra of Copenhagen and the WDR Orchestra in Cologne.
He is a regular guest with the Mahler Chamber Orchestra, the Chamber Orchestra of Europe and the Australian Chamber Orchestra. He plays with the Belgian ensemble Champ d’Action and the Dutch Ensemble 306 for which he also writes music. He teaches a class of double bass at the Conservatory of Music in Frankfurt.

Photo © Marie-Luise Nimsgern