Duo Siedl/Cao is one of the 5 groups from Austria that are selected for the renowned program New Austrian Sound of Music 2018-2019 in the category Contemporary Music.

Duo works of Cao Thanh Lan and Gregor Siedl have been featured at international festivals and concert venues around the world, amongst others – festival Krieg Singen at Haus der Kulturen der Welt in Berlin, FIME-Festival Internacional de Música Experimental in São Paulo, Ftarri Tokyo, Porgy & Bess Vienna, Festival Ankunft Neue Musik Berlin, Strom Festival Cologne, Frischzelle Festival for Intermedial Performance, 5th anniversary Festival at Quiet Cue Berlin, Artists in Residence Programm:Hotel Pupik (Scheifling), Institut Francais Hanoi etc.

They have been touring and giving workshops in Europe, Japan, Brazil, China, Taiwan, Argentina, Uruguay, Chile, Finland, Vietnam and Australia. For their projects and cooperations,they have received grants from – Bundeskanzleramt für Kunst und Kultur, Österreichisches Kulturforum Tokyo, Kulturamt Niederösterreich, Österreichische Botschaft Hanoi, Institut Francais, ON-Neue Musik Köln, Ministerium für Kultur in Nordrhein-Westfalen (MFKJKS-NRW), Rhein-Energie Stiftung.

With their two educational projects and workshops in collaboration with Domdom Center for Experimental Music and Art in Hanoi, they have contributed to the development of the contemporary music scene, educating and inspiring young musicians in Vietnam.


Das Duo steht in enger Beziehung zur Neuen Musik Szene in Wien, Köln und der „Echtzeit“-Musikszene Berlins ( Es finden regelmäßige Kollaborationen mit Musikern und Komponisten aus Österreich, Deutschland, Belgien und Holland statt.

Tourneen in Europe, Japan, Brazil, China, Taiwan, Argentina, Uruguay, Chile, Australia. Auftritte u.a. beim Festival Haus der Kulturen der Welt Berlin, im Porgy & Bess Wien, Strom Festival Köln – Kunsthaus Rhenania, Artists in Residence Programm: Hotel Pupik (Scheifling), Festival Ankunft Neue Musik Berlin, Kölner Musiknacht, Quiet Cue Berlin – intermedia & cooperation 5th year anniversary-festival, Stadtgarten Köln (Doppelkonzert mit Zeena Parkins & Ikue Mori),  Frischzelle Festival für Intermediale Performance, Loft Köln, Institut Francais Hanoi, Lange Nacht der Museen Köln, etc.

Das Duo hat in der Vergangenheit in Kooperationsprojekten Förderungen erhalten, von: Bundeskanzleramt für Kunst und Kultur, Kulturamt Niederösterreich, ON-Neue Musik Köln, Österreichische Botschaft Hanoi, Österreichisches Kulturforum Tokyo, Institut Francais, Ministerium für Kultur in Nordrhein-Westfalen (MFKJKS-NRW), Rhein-Energie Stiftung.


piano, analogue synthesizer, zither, electronics, composition

a versatile musician, trained as a classical contemporary music pianist (with Pierre-Laurent Aimard) in Cologne and in Brussels Conservatories, but finds her main interest in sound. She has been experimenting with analogue synthesizer, amplified objects, prepared marxophone/zither, low-tech electronics, etc. As a guest pianist of Kammerensemble Neue Musik Berlin (KNM Ensemble), she has performed at Ultraschall Festival, Musica Electronica Nova Wroclaw, Galeriewanderung Berlin, etc. She has also earned a wide range of ensemble experience in festivals namely Klangspuren with Ensemble Modern Frankfurt, Darmstadt Festival for new music, Festival Ircam Paris@Manifest, Impuls Festival, International Kamermuziek Festival Schiermonnikoog, etc. Also active as an experimental sound artist, composer in many different projects, notably the electro-acoustic Duo (Parallel Asteroid and Zicla projects) – in collaboration with Gregor Siedl, she has been touring and giving workshops for contemporary music and improvisation in Europe, Japan, Brasil, China, Taiwan, Argentina, Uruguay, Chile, Finland, Australia and Vietnam. Other groups in which she is founding member, amongst others, are Swiss Army Wife, Junk Orbit, Cao-Keller-Siedl, etc.



saxophones, clarinet, tubes, gamecalls, electronics, composition

was born in Vienna, Austria. He is deeply engaged in the field of experimental and improvised music. Through his explorations of extended techniques, preparations on the saxophone, clarinet and the use of extra-musical instruments such as game-calls and water, he has developed a unique voice in music.

Gregor won first prizes as best improviser at international music competitions XL-Jazz and Gent Jazz festival competition. He has been involved in experimental music, jazz, multi-disciplinary projects with performers, visual artists and artificial intelligence. He is a band-member of Junk Orbit, Parallel Asteroid, DOKO, Auralisation Ensemble, Osmosis Project and critically acclaimed European-Saxophone-Ensemble. He has performed all over Europe, Asia and South-America at international music festivals and concert venues, such as: Festival Ankunft Neue Musik Berlin, Festival Internacional de Musica Experimental Sao Paulo, Shanghai Jazzfestival, Jazz D`Or Strassbourg, HdKW Berlin, Belgrade Jazz Festival, Vilnius Jazz Festival, Gent Jazzfestival, Toots Thielemans Jazz Award Brussels, Follow the sound Festival Antwerpen, Storm!-Festival, LeXGiornate Milan, Gaume Jazz, Porgy&Bess Vienna, Ftarri Tokyo, LE Osaki Tokyo, Koko Club Helsinki, Hot Club Lisboa, Estonian Academy of music, Improvised Music Co. Dublin.



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