Arco  Quartet  Vienna

Guillaume PASCH  - Violin I

Guillaume Pasch studied at the University of Music and Performing Arts Vienna with Dora Schwarzberg and at the Moscow State Conservatory „Tchaikovsky“ with Marina Keselman. His contact with musicians like Siegfried Führlinger, Josef Hell, Albert Markov, Anna Kandinskaya, Anton Sorokow or Valentin Erben has influenced his approach to music and performing.

As a solo and chamber musician, Guillaume has appeared in several countries including France, Austria, Germany, Russia, Spain, Italy, Croatia, and Lebanon. He has broadcasted live in Radio Clasica (Madrid,Spain) and RSN (Moscow, Russia). As a teacher, he has given several Masterclasses, and assisted Dora Schwarzberg and Anna Kandinskaya.

Guillaume is winner of several competitions and scholarships, including Jeunesses Musicales in Madird 2010, he plays on a french violin by Jean-Baptiste Vuillaume made in 1845.


He is a founder of the „Arco Quartet Vienna“.

Helena SCHOENER  - Violin II

Helena Schöner is a multiple award winner of first, second and special prizes at national and international competitions. She gave her debut as soloist with orchestra at the age of 12 years at the Musikverein in Vienna.


Helena received her first violin lessons at the age of five. When she was six years old she passed the entrance exam in the class of Eugenia Polatschek at the University of Music and Performing Arts Vienna. In 2008, Helena took up studies in the class of Prof. Michael Frischenschlager, where she graduated with excellence, in June 2016.

Apart from her work as a soloist, Helena Schöner is a passionate chamber musician and a member and co-founder of the "Arco Quartet Vienna". Performances in many prestigious interrnational Music Festivals and concert halls brought her all over the world, such as France, Italy, Slovenia, Canada, Japan, Lebanon, Bulgaria, Poland, Turkey and many others.

Raffael DOLEZAL- Cello

Raffael was born in Tokyo in 1986.

He was only six when he began his training as a pianist with Prof. Helene Sedo-Stadler at the Music and Arts University of the City of Vienna. He received his first cello lessons from his father Friedrich Dolezal. In 2002 he switched to the University of Music and Performing Arts Vienna where he continued his studies under Prof. Wolfgang Herzer, Maria Sellner and Prof. Robert Nagy. Raffael Dolezal completed his training under Bernhard Naoki Hedenborg. He also devoted a great deal of time to chamber music and received instruction from members of the Artis Quartet among others.


He was able to gain experience of orchestral playing with the Vienna Philharmonic, the Tonkünstler Orchestra in Lower Austria and the academy of the Vienna RSO. In 2010 and 2011 he was a member of the stage orchestra of the Salzburg Festival and from 2009 to 2014 took part in the Angelika Prokopp summer academy staged by the Vienna Philharmonic. Concert tours with various chamber music ensembles have taken him across Austria, Europe and Japan. In 2015 Raffael Dolezal was a lecturer at the Pacific Music Festival in Japan.


Since 2016 he has been assistant principal cello with the Vienna RSO.


Martin EDELMANN- Viola

Martin Edelmann, born in Bretten, Germany in 1969, received his first violin lessons at the age of five.

Having trained as a school-age student with Prof. Maria Grevesmühl at the University of the Arts Bremen, he then went to Vienna to study first with Prof. Gerhart Hetzel and later with Prof. Edward Zienkowski. In 1993 he switched to viola and joined Prof. Siegfried Führlinger’s class. While still studying he was additionally spurred on in his artistic ambitions by master classes taken by Felix Andriewsky, Sachar Bron, Max Rostal, Igor Ozim and later Kim Kashkashian and Barbara Westphal. During this period he was also a substitute in the Vienna Philharmonic.


In 1994 he co-founded the Hugo Wolf Quartett, in which he was the violist for five years. With this ensemble he won several awards, such as first prize at the International Competition for String Quartets in Cremona, first prize at the national competition "Gradus ad Parnassum" and the prize for the best string quartet at the 45th International G. B. Viotti Competition for Chamber Music in Vercelli.

As a chamber musician he has played concerts in some of the most prestigious concert halls, including the Munich Herkulessaal, the Zurich Tonhalle, the Musikverein and Konzerthaus in Vienna, the Mozarteum in Salzburg, the “Y” in New York and at leading festivals in Salzburg, the Carinthian Summer, the Schubertiade in Feldkirch and the Klangbogen Wien.  He has been a violist with the ORF Vienna Radio Symphony Orchestra since 2007.