Sylvie Altenburger
27th of July - 1st of August 2020
Soloist in the Ensemble Intercontemporain in Paris under the direction of Pierre Boulez, she founded the TRIO DES LYRES. Founding member of the RUBIN QUARTET which  was  honored in 1996 in the  international competition of Evian for the best Mozart interpretation. Viola and chamber music professor at the University of Music Freiburg in Germany. In 2014 Sylvie Altenburger joined the Ensemble Aventure, based in Freiburg and devoted to contemporary music.
Diemut Poppen
24th - 29th of August 2020
She has appeared in the most important music centres around the world. She performed as a soloist under the baton of conductors such as Heinz Holliger, Frans Brüggen and Claudio Abbado, and has been awarded the European Music Prize. Professor for Viola and Chamber Music in Detmold, in Madrid at the Escuela de Musica Reina Sofia and at Hemu Lausanne. She is Artistic Director of Cantabile Festival Lisboa and Rigi Musiktage/Switzerland. Recording for Deutsche Grammophon, Capriccio, Live classics, EMI, Tudor, Ondine, amongst others
Thomas Riebl
14th - 19th of September 2020
3rd and 1st prize winner at the International competitions in Munich (ARD) and New York (Naumburg).He has performed with the Chicago, Vienna and Bavarian Radio Symphony Orchestras, Claudio Abbado, Jessey Norman, Andras Schiff and Gidon Kremer. Founder member of the Vienna String Sextet. Professor at the  University Mozarteum Salzburg. Many of his students have won international competitions, have joined leading string quartets or symphony orchestras and have become professors at music universities.
Ludwig Schmalhofer
31st of August - 5th of September 2020
Prizewinner of the "Bubenreuth string quartet competition”. He has taught since 1995 as viola professor at the Leopold Mozart Center of the University of Augsburg. He has more than 25 years of experience as an orchestral musician and also holds master classes in Paris, at the University of North Carolina (USA) and at the Conservatorio di Musica Napoli.