Heidi Wayenberg (°1993, Duffel) starts her musical education at the muziekacademie in Lier (BE). Choosing the flute as her instrument, she decides to follow artistic highschool studies at the Kunsthumaniora in Brussels (BE). She graduates in 2016 from the Koninklijk Conservatorium Brussel and receives her Master in Music for the flute. She is a participant in masterclasses with Emmanuel Pahud, Andrea Lieberknecht, Philippe Bernold and Vincent Cortvrint. As a performing musician, she often is invited to join among others Symfonieorkest van de Munt, Sint-Paulus Sinfonietta and European Philharmonia.


Originating from a musical family, Phyllis starts taking cello lessons at a young age with Michel Boulanger, Steven Caeyers and Sarah Dupriez until 2008. That same year she wins a second prize at the competition 'Dexia Classics’ and enters the Conservatoire Royal de Bruxelles where she becomes a student of Marie Hallynck and Edmond Baert. She graduates in 2013 and obtains her Master in Music for cello with honor.
Passionate about historical performance practice and period instruments, she continues her studies on the baroque cello with Hervé Douchy at the Conservatoire Royal de Bruxelles and with Rainer Zipperling at Lemmensinstituut Leuven. Phyllis participates in masterclasses in Amsterdam (NL), with Job Ter Haar and in order to specialize in the classical and romantic repertoire, she joins the Jeune Orchestre de l'Abbaye aux Dames in Saintes (FR), where she receives the advice of Ageet Zweistra, Hilary Metzger, Alessandro Moccia, Florence Malgoire and Emmanuel Balssa.
With a profound interest for chamber music, she follows lessons with Guy Danel, Muhiddin Dürrüoglu, Igor Semenoff, Vincent Hepp and Wibert Aerts on the ‘modern’ cello. On the baroque cello, she specializes with Makoto Akatsu, Erik Van Nevel, Herman Stinders, Frank Theuns, Piet Kuijken, Bernard Woltèche en Claire Chevallier.
Nowadays, Phyllis is active as a teacher and regularly joins following ensembles and orchestras : Il Gardellino, BachPlus, Orchestra Van Wassenaer and Musica Gloria. She is cellist at the Sonos Ensemble.


Panagiota Giannaka was born in Greece in 1990 and started clarinet lessons at the age of 11. She quickly fell in love with music and by the age of 18 she obtained her clarinet diploma from 'Patra's Municipal Conservatory' with high distinction. She continued her music studies in the University of Athens while working as a freelance musician and teacher. She has won music competitions in Greece and Cyprus.
She soon realized she wanted to pursue a more versatile music path and decided to go and study first in Den Haag and later in Belgium in the Koninklijk Conservatorium Brussel under the guidance of Benjamin Dieltjens. She obtained her master degree with high distinction on 2015.
As an orchestra musician she has performed with the Luzern Festival Academy Orchestra, NJO and DeFilharmonie. She has performed under the baton of conductors such as Alan Gilbert, Matthias Pintscher, Philip Herreweghe, Heinz Holliger, Suzanna Malkki and Etienne Siebens.


Amaryllis Bartholomeus is a viola player and student of Paul De Clerck at Koninklijk Conservatorium Brussel (BE). While participating in masterclasses, she encounters and follows lessons with renowend musicians such as Nobuko Imai, Asdis Valdimarsdottir, Yves Cortvrindt, Erik Sluys, Sander Geerts et Mikhail Zemtsov.
As an orchestra musician, she now is a member of Young Belgian Strings and Brussels Sinfonietta. She is also regularly invited to join following orchestras : Orchestre de La Monnaie, Orchestre National de Belgique, European Union Youth Orchestra (EUYO), deOrkestacademie (deFilharmonie), Orchestre du Festival Musiq’3, Phoenix Chamber Orchestra, Arte Amanti Chamber Orchestra and Nationaal JeugdOrkest van Nederland (NJO), under the batons of Philippe Herreweghe, Martin Brabbins, Marin Alsop, Xian Zhang, Gianandrea Noseda, Alain Altinoglu, Clark Rundell.
Passionate about chamber music she is a member of the ‘Sonos Ensemble’ and recently performed with belgian string quartet ‘Quatuor Amon’.


At the age of 9, Emma starts her musical education on the violin. At 15 years old, she discovers the french horn. Immediately seduced by the instrument, she decides to become a professional musician. After a few years of private lessons with Luc Bergé, she is accepted in his class at the Koninklijk Conservatorium Brussel (BE) where she graduates with great honor. Since 2015, she also specializes in historical performance practice on the the natural horn with Jean-Pierre Dassonville at the Conservatoire Royal de Bruxelles (BE).

Emma is now a freelance musician and gets to perform on a regular basis with diverse ensembles and orchestras such as Koninklijke Muntschouwburg, Nationaal Orkest van België, Symfonieorkest Vlaanderen, deFilharmonie, l’Orchestre Royale de chambre de Wallonie.
As a soloist, she won a 3rd prize in the competition “Lions European Music Competition Thomas Kuti 2014” in Birmingham (UK) and is awarded the “Ingeborg Köberle” prize at the Koninklijk Conservatorium Brussel in 2015.
Currently, Emma is in the final trial period as solo french horn player at the Royal Opera of Sweden.


Natalia Kotarba is a Polish violinist born in Cracow, currently based in Brussels. She holds degrees Cum Laude from the Academy of Music in Cracow and from the Royal Conservatory in Brussels, where she is presently completing her Concertmusicus (artist diploma) in the class of Philippe Graffin.
Natalia embraces keenly all aspects of a musician's life. Among the artists she already had the opportunity to collaborate with in a chamber music setting are : Jean-Claude Vanden Eynden, Philippe Graffin, Tanja Becker-Bender and Oxalys Ensemble. She has appeared at music festivals such as Midis-Minimes and Ysaÿe's Knokke in Belgium, Harmos Festival in Portugal, Istanbul Music Festival in Turkey and Warsaw Autumn in Poland. Natalia has also collaborated with orchestras such as Deutsches Radio Kammerorchester, Le Concert Olympique and Polish Art Philharmonic and worked in ensembles led by Krzysztof Penderecki and Tobias Feldman. As a soloist she recently appeared in the Bach double concerto with the Brussels Conservatory String Orchestra.
Natalia is a laureate of the Polish National Chamber Music Competition in Bydgoszcz in the piano trio category, and, most recently, laureate of La Fondation Chopin, a Belgian institution who awards prizes for successful music students at the beginning of their careers.
She has had the opportunity to develop her skills in masterclasses with renowned artists and pedagogues such as Miriam Fried, David Waterman, Alasdair Beatson and Quatuor Ebène. She has also been strongly influenced by jazz improvisation lessons she took as a teenager with the renowned Polish jazzman Jarosław Śmietana. Natalia finds it important in her work to be open to different styles and genres of music, which helps her create personal and honest interpretations of musical works. She is also a dedicated teacher and a great enthusiast of music-educational projects which help introduce children and young adults to the beautiful world of music.


Alien is 9 years old when she has her first oboe lesson at the Stedelijke academie voor muziek en woord in Diksmuide (BE). Her teachers are Bram Nolf, Ellen Donovan en Ilse Barbaix. At 19 years old, she starts with the bassoon at the Conservatorium in Mechelen (BE) with Deian Topchiev while also taking lessons with Wannes Cuvelier and Fabienne Vergalle.
In 2015, Alien obtains her 'Master in Music' on the oboe at the Koninklijk Conservatorium Brussel (BE), with Paul Dombrecht, Karel Schoofs and Stefaan Verdegem. Nowadays, she also studies the bassoon at the Koninklijk Conservatorium Brussel (BE) with Luc Loubry.
She follows masterclasses with Sylvain Cremers, Piet van Bockstal, Dimitri Mestdagh, Ron Tijhuis, Alexei Ogrintchouk and Pieter Nuytten. Active as a professional performing musician, she already had the chance to join diverse ensembles and orchestras such as Koninklijke muziekkapel van de Gidsen, European Philharmonia, de Zomeropera and l’ensemble Oxalys.


Diede receives his first violin lessons from his father. He continues his musical education at the Kunstenacademie August de Boeck in Asse (BE), where he receives his degree with highest honor. In 2010 he wins the first prize at the competition 'Dexia Classics’ (BE). At present day, Diede graduated from the Koninklijk Conservatorium Brussel with great honor where he was a student of Philippe Graffin. Diede also plays the viola and is interested in Folk music, Jazz and free improvistation.
His main activity is chamber music. In 2016, he is laureate of the competition ‘Supernova’ with his ensemble ‘Tmesis’. Thanks to this award he receives the opportunity to be programmed in several renown festivals : "Klara Festival", "Schiermonnikoog Music Festival", “Festival Midi-Minimes" and “Klara in deSingel".
He recently started performing as a duo with pianist Claus Vermeulen and is a member of 'Sonos Ensemble’.


Emmy Wils starts taking piano lessons aged 9 years old at the Academie van Tongeren (BE) with Johan Bossers. She continues musical studies at the Koninklijk Conservatorium Brussel (BE) with Piet Kuijken and Boyan Vodenitcharov. She also received the chance to study with Peter Waas at the Hochschule für Musik Franz Liszt in Weimar (DE). As a participant in several masterclasses, she receives the advice from Lukas Vondraçek, Pavel Eliashevic, Hamsa Al-Wadi Iuris, Massimiliano Mainolfi, Christian Müller and Wolfgang Manz.
At 16 years old, she performed as a soloist with orchestra and won several 1st or 2nd prizes at national solo-competition such as Stephan de Jonghe-wedstrijd, Concours de piano de Liège and Concours André Charlier. In 2017, Emmy was programmed in the Festival B-Classic to perform chamber music alongside Liana Gourdija and other renowned musicians. She now is pianist and artistic director of the Sonos-Ensemble.


Esther Gruyaert’s first musical lessons are on the guitar at Stedelijk Conservatorium in Brugge (BE). Very soon after, she exchanges the guitar for the oboe. Inspired by her teacher, Jan Wauters, she decides to continue her musical education in order to become a professional oboe player. She enrolls in the class of Eric Speller, oboe player in the Antwerp Symphony Orchestra and teacher at the Conservatoire royal de Bruxelles - École supérieure des Arts. She participes in masterclasses given by Jean Louis CAPEZZALI, Sébastien GIOT and Louise PELLERIN.
As a performing musician, she regularly is invited to join the Belgian National Orchestra, Antwerp Symphony Orchestra and SinfonieOrchesterAachen (TheaterAachen) with conductors such as Philippe HERREWEGHE, Edo DE WAART, Krzysztof Penderecki, Lahav SHANI, Hans GRAF, Nazanin AGHAKHANI, Robert TREVINO and Martyn BRABBINS. In 2010, she is laureate at the Dexia Classics competition and in 2015 of the Ottoboni competition.

Double Bass

Elias Bartholomeus is 5 years old when he starts with the violin. One year later, he trades the violin for the cello. A few years later, he develops a preference for percussion and subscribes at the academies of Zaventem (BE) and Anderlecht (BE) with Luc Artois and Erik Taelemans. At the same time, he follows lessons on the double bass with Gaby Fragner and Joost Maegerman in Zaventem and Pascal Smet and Miguel Meulders in Anderlecht.
In 2007, Elias subscribes in the school of arts, Kunsthumaniora in Brussels (BE) for percussion where he finally chooses for the double bass for which he receives lessons from Ruben Appermont. In 2009, he is accepted as ‘Jeune Talent’ at the Conservatoire Royal de Bruxelles with Christian Vander Borght. Since 2014, Elias is a student of Jan Buysschaert at the Luca School of Arts in Leuven (BE).
Already at a very young age, Elias is active as a performer in diverse ensembles and styles. His is a laureate of the Rotary-Breughel competition 2010 and receives the chance to perform as a soloist with orchestra in the concerto for double bass by F.A. Hoffmeister in 2011 and the duo Passione Amorosa for two double basses and orchestra by G.Bottesini in 2017.
Elias develops orchestral experience among youth orchestras such as : 'de Orkestacademie' (2012), EUYO spring tour (2015) and Animato Foundation Orchestra (2016) as a tutti-player and NJO summer tour as a soloist player (2013 en 2016). He is a member of the ensemble ‘YES-Camerata’ with which he recorded a CD. He regularly joins ensembles and orchestras such as Prima la Musica, Piacevole, Hermes-ensemble, National Belgian Orchestra and Brussels Philharmonic and is often invite to perform in specific projects such as concerts in collaboration with Hooverphonic, Intergalactic Lovers, Ozark Henry, recording music for the film industry, performing in baroque ensembles and world music.