Artist Management and Concert Promotion


Violin and Piano

Eduard Sonderegger • Violin
Alexander Sonderegger • Piano

Brothers Alexander and Eduard Sonderegger have been performing together for over 15 years as the Sonderegger Duo.

Both musicians followed family tradition, devoting themselves to chamber music for violin and piano from an early age. The repertoire of the Sonderegger Duo covers works from early classics to 20th and 21st centurycontemporary music.

Many eminent musicians have consulted chamber music duo Alexander and Eduard, including Anke Dill, Gerhard Schulz, Christine Busch, Stefan Fehlandt, Péter Nagy, Shoshana Rudiakov, Florian Wiek, Claudio Bohorquez, Conradin Brotbek, Valentin Erben, Ralf Gothóni and Kirill Gerstein.

Alexander and Eduard are prize winners of the Carl Wendling Chamber Music Competition 2014 (Stuttgart).

The Sonderegger Duo’s major performances include Mendelssohn-Bartholdy’s Double Concerto with the Sinfonietta Lentua Orchestra at Lentua-Hall, Kuhmo, Finland and a chamber music concert at Maison Heinrich Heine in Paris, as well as a number of performances with the Murmansk Philharmonic Orchestra in Russia. In 2016 and 2018 the Sonderegger Duo have also participated in the ‘Rising Stars!’ Festival in Stuttgart.

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Eduard Sonderegger was born in 1989 to a family of musicians in Russia. His professional training began at the Petrozavodsk State Glazunov Conservatory under Climenty Veksler. At the age of 18, he graduated to the Stuttgart State University of Music and Performing Arts under Christine Busch and later, Anke Dill. Eduard received chamber music lessons from Gerhard Schulz, Kirill Gerstein, Florian Wiek and members of the Vogler-Quartett.

He completed his education in 2018, achieving a distinction in his soloist concert exam at the ‘Rising Stars!’ festival.

While still a student in 2013, Eduard Sonderegger became the Ulm Philharmonic Orchestra Concertmaster. Alongside this role, he is a member of many ensembles, and is actively involved with New Music and historically-informed performance practice. As a soloist, Eduard Sonderegger has performed in Germany, Switzerland, Russia, Italy, Finland and France and has also played with the State Philharmonic of Rhineland Palatinate, Ulm Philharmonic Orchestra, Ensemble Arsys Bourgogne (Vézelay, France), Sinfonietta Lentua Orchestra (Kuhmo, Finland) and the philharmonic orchestras of Murmansk and Petrozavodsk in Russia. His repertoire includes violin concertos by Bach, Mozart, Beethoven, Mendelssohn, Tchaikovsky, Sibelius, Glazunov, Prokofiev, Hartmann and many more.

Eduard Sonderegger has played as a chamber-music partner with Anke Dill, Florian Wiek, Stefan Fehlandt and Conradin Brotbek.



Alexander Sonderegger was born in 1991 in Petrozavodsk, Russia, to a family of musicians.

Alexander studied at the Petrozavodsk State Glazunov Conservatory under Professor Viktor Portnoi. In 2008, he attended the State University of Music and Performing Arts in Stuttgart, Germany where he was taught by Kirill Gerstein, Shoshana Rudiakov, Péter Nagy and Florian Wiek. He graduated from Stuttgart, passing his soloist concert exam with distinction.

In 2016 Alexander Sonderegger made his debut with the Stuttgarter Philharmoniker at the ‘Rising Stars!’ festival. His performance of Rachmaninoff’s Second Concerto was broadcast on SWR 2 Radio. In 2017 and 2018, Alexander Sondregger played concertos by Grieg and Tchaikovsky at the Liederhalle Beethoven Hall, Stuttgart, conducted by Patrick Strub. Alexander has performed with orchestras including the Sinfonietta Lentua Orchestra in Lentua-hall, Kuhmo, Finland and the Murmansk Philharmonic.

Alexander Sonderegger has garnered prizes at many international competitions, including first prize and the "Czech Radio Prize" at the Carl Czerny International Piano Competition in Prague, first prize at the 16th International Piano Competition in Rome, second prize at the 2018 Murcia ClaMo Competition and first prize at the 2018 Clara Schumann Competition, Stuttgart. Alexander Sonderegger currently works as a lecturer at Stuttgart’s State University of Music and Performing Arts.

Sonderegger Duo