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GTE is a chamber music group who specializes in performing and recording new music by living composers, and in bringing to light rarely heard 20th century classics.


With flexible formations ranging from solo to large chamber ensembles, functions as performer and presenter. GTE seeks to redefine the concert experience by connecting new works with new listeners.

Aside from regularly commissioning new music, GTE provides professional development support for composers and performers, as well as organizes outreach and learning activities for students of all ages.

Within its varied and imaginative programs, the ensemble explores music from around the world while keeping in touch with the works of composers from their Viennese home.





Born into a musical family in Bucharest, Romania, Matei Ioachimescu is one of the finest musicians of his generation. With a musicianship that has been equally praised in Asia and Europe, Matei is highly sought as a soloist and chamber musician while remaining active as a pedagogue, being the artistic director of the Sinaia Flute Academy, guest professor in the Up-Bow Summer Academy in Vienna and the Summer Academy in Bistrita, Romania. Among the many distinctions that have been granted to him throughout his career, Matei was named “Ambassador of Integration” by the Austrian Secretary of State in 2013.





Born in Serbia, Natalija Isakovic studied in the Belgrade University of Arts and later in the University of Music and Performing Arts in Vienna, Austria. In parallel to her wide experience playing in orchestras such as the Wiener Kammerorchester, the Volksoper Wien and the Vienna ORF Radio Symphony Orchestra, Natalija has cultivated a strong background as a chamber musician, working with personalities such as Reinhard Latzko, Veronika Trisko, Sebastian Frühlinger and Franz Bartolomey. 




An all-around cellist, Ana Topalovic is highly in demand as a soloist and chamber musician, always placing her main emphasis on contemporary music. Ana has had the opportunity to collaborate with composers like Friedrich Cerha, Johana Doderer, Calin Ioachimescu, Thomas Larcher and many others. As a soloist, some of the venues where Ana has performed include the Carnegie Hall, Wiener Konzerthaus, Wiener Musikverein, Tokyo Opera City Hall, and Salzburger Festspiele, among many others. Ana has also had the chance to play along artists like Mihaela Ursuleasa, Daniel Barenboim, Maxim Vengerov and Erwin Schrott. 




Educated between Venezuela’s classical music movement and both American and Viennese conservatory traditions, Alfredo Ovalles developed a love for working with contemporary music at a very early age, while remaining connected to the standard classical repertoire for solo and chamber music. As a soloist, Alfredo has been invited to perform in venues such as the Wiener Musikverein, Berliner Philharmonie and London’s King’s Place, among halls located in places far and wide between the Dominican Republic and Japan.



Jenseits der Tradition // Beyond Tradition

is a concert series by GTE. The goal is to explore new and future tendencies, musical languages and works by young composers in one specific region or country per concert. Through this process and through commissioning new works, GTE works closely with prominent contemporary composers as well as with the youngest generation of composers with the aim to present them in festivals, contemporary music venues but especially to the new and “out of reach” audience.
2013: Romanian composers
2014: Serbian composers

Behind the scenes

breaks the rules of a typical concert situation. In an unconventional arrangement and interesting non-concert spaces, GTE connects the “nightclub” scene with contemporary classical music. Through collaboration with visual artists, DJs, painters, dancers and other artists GTE brings to life fresh and unique performance and interactions with audience.



Green Thing Ensemble offers chamber music, solo flute, violin, cello, and piano master classes for advanced students. Young musicians will receive coaching and advice from the group in a dynamic way, oriented specifically to younger audiences. 

To truly study chamber music it is often not enough to just get together and play. These workshops, lectures and master classes give students an introduction to the art of playing chamber music. Cue gestures, breathing and counting, as well as stage presence are all part of what makes an ensemble performance work. Designed to equip students to work effectively on their own, these workshops illustrate the importance of score understanding, voicing, ensemble techniques, dynamics, articulation and rhythmic precision in an approachable and accessible format. In addition, the workshops are applicable to all kinds of ensemble playing, not just quartets of flute, violin, cello, and piano.

Ateliers for Composers

In order to encourage the exchange and dialogue between composers and performers, so that composers can have an ensemble at their disposal to review and improve any practical details involved in the reading of a piece that is intended for public performance, such as notation issues and the use of extended techniques, among many other aspects of what an ensemble needs in order to take the score and perform it as close to what the composers originally heard in their heads. At the same time, these workshops will allow the performers to ask questions to the composer, toward reaching the goal of getting deeper into the thought processes that will bring the piece into life.

Dedicated pieces

Sabina Ulubeanu

Raum und Liebe (2013)

Gerald Resch

Green Things (2014)

Cristian Lolea

Mechanisms (2014)

Dragan Latincic

Fragments of Blue (2014)

Ana Gnjatovic

Silent Strokes and Indoor Clouds (2014)

Julija Bal

Chochek (2014)

Diana Rotaru

Verde (2015)

Calin Ioachimescu

Tetrachords (2015)

Johanna Doderer

Ich bin der Welt abhanden gekommen (frei nach G. Mahler)(2015)

Nikolet Burzynska

Green Mazurka (2016)


D. Latincic: Fragments of Blue

Concert @Alte Schmiede Vienna, 2014

K. Saariaho: Cendres

Concert @International Week of New Music, Bucharest,  2014

G. Resch: Green Things

Concert @Festival “Treffpunkt: KUNST”, Vienna, 2015

C. Lolea: Mechanisms

Vienna, 2015


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