Duo Siedl/Cao is a composer-performer ensemble that ranges in the field between composition, improvisation, performance and live sound-installation.
In their recent works they explore electro-acoustic sound as means of expression and reflect on performative aspects of a live concert situation.
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. Their recent music theatre “The fifth cardinal direction” has been selected to be presented at Operadagen Rotterdam on the 24. May 2018 and at Musiktheatertagen Vienna on the 16. June 2018
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“ im Haus der Kulturen der Welt Berlin, Opera Hanoi, FIME – Festival Intern. de Musica Experimental Sao Paulo, Festival Ankunft Neue Musik Berlin, Strom Festival Köln, FTARRI Tokyo, NOMART Osaka, Frischzelle Festival für Intermediale Performance, WIM Zürich, Porgy & Bess Wien, Sappho Taipei, CHELA Buenos Aires, Institut Francais, Monash University Melbourne, BoxHill Institute Melbourne, Universidad de Valparaiso.
They have been touring in Europe, Japan, Brazil, China, Taiwan, Argentina, Uruguay, Chile, Finland, Vietnam, Australia and Indonesia.
Duo Siedl/Cao gives workshops on composition and improvisation. Past teaching activities: Monash University Melbourne, BoxHill Institute Melbourne, National University of Hsinchu Taiwan, Äänen Lumo Helsinki, Universidad de La Serena, Universidad de Montevideo, Meridian Space Beijing, DOMDOM Center for experimental music Hanoi.