Ronald van Spaendonck (klarinet) - has received numerous international awards (1sr Prizes at the International TROMP competition, the Dos Hermanas International Competition and the A.Gi. Mus Wind Instruments International Competition in Rome). His chamber music partners include the Skampa, Ysaye, Belcea, Szymanowski, and Royal string quartets, Gidon Kremer, Alexandre Tharaud, Catherine Leonard and Lawrence Power. He recorded extensively for Harmonia Mundi, Naxos and Supraphon. Ronald is accomplished teacher at the Mons and Brussels Royal Conservatoires and the Ecole Normale de Musique of Paris. He is also teacher “Honoris Causa” at the Guangzhou Conservatory (China).

Pavel Fischer (violin) is co-founder of the Škampa Quartet whose leader he was for many years. He worked together with musicians as Josef Suk, Jiři Bárta, Kathryn Stott, Ronald van Spaendonck, Nikolaj Demiděnko, Liza Ferschtman and Janine Jansen. He is teacher at the Royal Northern College of Music (Manchester) and the Conservatoire Birmingham and often gets invited as guest teacher at the Royal Academy of Music in London, the Nederlandse Strijkkwartet Academie, the Concertgebouw Amsterdam and the Australian Chamber Music Festival. Pavel performs also with his crossover-ensembles "Camael" and "Il bardolino". He composed several chamber music works which were performed at Carnegie Hall, the Rudolfinum Prag and the Elbphilharmonie Hamburg.


Donald Grant (violin)  is co-founder of the Elias Quartet (GB) and since 17 years member of this ensemble. He performs at major concert venues worldwide (e.g. Carnegie Hall, Wiener Musikverein, Konzerthaus Berlin, Wigmore Hall London and Concertgebouw Amsterdam) and recorded many cd's ( e.g. complete recording of alle Beethoven String Quartets and the album "The way home" with own compositions). He is teacher and Deputy Head of Chamber Music of the Royal Northern College of Music (Manchester) and he is a passionate player of Scottish Folk Music.

Sidonie Riha (violin) is a former second violinist of the Rubens Quartet (Nl) and the Faust Quartet (D). With these ensembles she performed at the Concertgebouw Amsterdam, Berlin Philharmonie, Opera Oslo and festivals as the International Festival Quartuor a cordes Luberon, Schleswig Holstein Festival and the Gergiev Festival. She has also collaborated with the Borodin Quartet, Mitsuko Shirai, Karl Leister, Inon Barnatan and Ariadne Daskalakis. She has been a guest teacher for chamber music at the University of Bloomington, the Barratt Due Institute Oslo and the conservatories of Rotterdam, Tilburg and Maastricht. She regularly performs with the Dutch Chamber Orchestra and and is a teacher at the Music Academy The Hague. 

Charles Watt (cello) studied cello at Cambridge University and at the Guildhall School of Music and Drama, London. For many years, he taught at the Yehudi Menuhin School and the Purcell School. Currently, he is the solo cellist in the "Insomnio ensemble", the "Lumaka ensemble" and the "Alban Berg Ensemble." He performed at concerts in Europe and America and in the Alice Tully Hall in New York, The Concertgebouw in Amsterdam and the Royal Albert Hall in London. Charles has also taught masterclasses, both in the United Kingdom and elsewhere.

Daria van den Bercken (piano)