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As a soloist, Karla Haltenwanger has performed with orchestras such as the Berliner Symphoniker, the Berner Symphoniker and has performed in the Wigmore Hall, Cologne Philharmonic, Laeiszhalle, etc.


Her passion for chamber music led to the founding of the Boulanger Trio in 2006, an ensemble that now enjoys an international reputation. The prize-winning piano trio (winner of the 4th Trondheim International Chamber Music Competition and winner of the Rauhe Prize for new chamber music) has already recorded five CDs with works by e.g. Schumann, Rihm, Saint-Saens, Schönberg, Brahms, Shostakovich, Vasks and Beethoven, who in turn have received awards such as the Exellentia Award for the Brahms Liszt Schönberg recording and the Supersonic Award for the Canto Perpetuo CD.


From the collaboration with contemporary composers, the Boulanger Trio has developed its own concert series - Boulangerie - with concerts in Radialsystem Berlin, in the Elbphilharmonie in Hamburg and in the Wiener Musikverein.


Phillipe Tondre is the winner of the ARD International Music Competition Munich in 2011, and recipient of the prestigious Beethoven Ring - a musical honor awarded by the Beethoven Fest in Bonn.


He made his debut at the Berlin Philharmonie in June 2013 playing the Bohuslav Martinu Concerto for Oboe, and in 2016 was appointed "Principal Oboe" of the Gewandhaus Orchester Leipzig.

Philippe Tondre is a passionate chamber musician and holds the position of "Principal Oboe" of the Mito Chamber Orchestra Japan, founded by Seiji Ozawa.

In 2020 he was nominated for principal oboe in the Chamber Orchestra of Europe and in the same year he won the coveted position of principal oboe in the Philadelphia Orchestra with musical director Yannick Nézét-Séguin.

2022 marked his debut as a soloist at Carnegie Hall New York with the Orchestra of St. Luke's and his nomination as a professor at the Curtis Institute of Music in Philadelphia.

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Niklas Walentin has received more than 25 international music awards, is a three-time prize winner at the International Carl Nielsen competition in 2012, has released 6 albums and is the artistic director behind a number of festivals in Europe.


Niklas Walentin is also in international demand for his work as a teacher at masterclasses and his students regularly excel with critically acclaimed performances.

As a soloist, he often performs with conductors such as Mario Venzago, Marc Soustro, Henrik Schäfer and Jean Thorell. He gives concerts in famous concert halls such as the Mariinsky Theater and the Philharmonia in St. Petersburg, Carnegie Hall in New York, The Phillips Collection in Washington and the Verbier Festival in Switzerland.

Niklas is also a member of the award-winning ensemble Trio Vitruvi, which is the creator of the Reumert-winning 'Chamber Ballet'.

In 2024, Niklas Walentin will publish his first jazz album, as well as the collected sonatas for violin and piano by Brahms for Naxos.


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"We record, we publish, we discover unknown areas of classical music and give aspiring artists a platform to reveal their revelations." - Decurio Records.

Benedikt Schröde is a Berlin based Tonmeister specialized in classical and acoustic music and is the co-founder of the record company Decurio, which was founded in 2018 in Berlin together with Lukas Kowalski.

He is working in close cooperation with Teldex Studio Berlin and feels at home in many areas of audio production: As a sound engineer he has developed a new 3D upmix (Dolby Atmos) now used in particular by the Berliner Philharmoniker.



Jens-Christian Wandt is a Danish opera singer, TV and radio host and tenor.

In 1994, he graduated from Musikhochschule Hamburg and continued his education with Professor Kim Borg, Copenhagen and Gregory Lamare in New York. In 1995, he debuted in the role of Dr. Falke in the operetta The Bat by Johann Strauss in Det Ny Teater.

He had engagements in the Gran Teatre del Liceu in Barcelona, the Queen Elizabeth Hall in London, the Berwaldhallen in Stockholm, the Sydney Opera House and all major Danish concert halls and cultural centres.

Jens-Christian took part in DR's TV series "Sigurd & the Opera", where he presented opera for children together with Sigurd Barrett and the DR Symphony Orchestra - also released on CD and DVD. Together with the Danish solo dancer and ballet master Johan Kobborg, Jens-Christian took the initiative for the 'Verdensballetten' in 2008. Since then, the performance has toured the country every summer, with HRH Prince Henrik and others on the creative team. 

Jens-Christian was awarded Queen Ingrids and Prince

Henrik's Memorial Medals. Jens-Christian is the founder and director of the 'Verdensballetten'.


Peter Chu is an award-winning multi-faceted movement artist, embodying roles from director, choreographer, stager, mentor, educator, and performer.

Chu’s career spans over three decades across both concert and commercial dance industries, nationally and internationally, pre-professional to professional, and beyond.


Some notable credits include performing with Ballet Jazz de Montreal, Crystal Pite’s Kidd Pivot, and Celine Dion’s A New Day, and choreographing for Ballet Augsburg, Cirque du Soleil, DART Dance Company, Gibney Dance Company, Hubbard Street Dance Chicago, Paul Taylor Dance Company, and more. Additionally, Chu finds great pride and belonging in his project-based company chuthis, where he feels free to explore the deepest parts of his identity and artistry as a director, choreographer, and educator, with his team.

Currently, Chu is based in Cocoa Beach, Florida, and travels frequently pursuing various choreographic commissions and teaching experiences.


Nabil Shehata is the Chief conductor of the Philharmonie Südwestfalen since 2019 and music director of the Munich Chamber Opera since September 2011.

Nabil began his conducting career in 2006 after receiving instruction from Daniel Barenboim  

As double bassistHe is the winner of several international competitions including the ARD competition in Munich, where he received not only the first prize, but also the coveted audience prize.

From 2004 to 2008 he was the principal bassist of the Berlin Philharmonic Orchestra, with whom he performed as a soloist under Daniel Barenboim. He has commissioned many double bass works from composers, including a concerto by Moritz Eggert.

Supporting young artists is of particular importance to Nabil Shehata, and he is strongly committed to the West-Eastern Divan Orchestra, of which he has been a member for many years.

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Alena Walentin is known as one of the most versatile young flutists and has an international career as a soloist, chamber musician and guest flutist with leading orchestras.

She often appears as a workshop leader, adjudicator, chamber music teacher and is a professor of flute and chamber music at several leading institutions, such as the Royal Conservatoire The Hague and the Royal Birmingham Conservatoire.

As a soloist, she performed duets and chamber music with Emmanuel Pahud, William Bennett OBE, Lorna McGhee and Denis Bouriakov. Alena is often has given numerous concerts in the major concert halls throughout Europe, North America and Asia.


She is a member of Atéa Quintet, who are Double prize winners of the Carl Nielsen International Chamber Music Competition, and are an Associate Ensemble in Residence at the Royal Birmingham Conservatoire. 

Alena has appeared as a Guest Principal flute with many orchestras, including Covent Garden, the Orchestra of the Royal Opera House, Iceland Symphony Orchestra, The Philharmonia, BBC National Orchestra of Wales and London Mozart Players.


As a former manager, Andreas Vierziger worked for a number of high-profile classical music artists – including a number of Grammy winners – and regularly collaborated with leading orchestras, festivals and concert hosts across Europe and beyond.

Andreas Vierziger focuses on alternative performance concepts in classical music, on social impact and social responsibility through art and culture, on music management, on brand building and positioning as well as on collaborations between music and other disciplines.

He has been a jury member at close to 30 international music competitions, including the International Johannes Brahms Competition/Austria, Fulbright Concerto Competition/USA, Mieczysław Wajnberg International Violin Competition/Poland, Karol Szymanowski International Music Competition/Poland and several others. In 2023 he has been selected to join the jury for the German Record Critics' Award.

He was appointed to lectureships at the University for Music and Performing Arts Vienna (Cultural Management Postgraduate Program) as well as the Mozarteum University Salzburg.

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