Brian Joseph Questa (b. 1988, New York City) is an Irish-American double bassist and composer currently based in Berlin, Germany. 
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As a bassist, Brian Questa has performed in jazz and contemporary classical contexts with artists as varied as Han Benink, Mary Halvorson, Tony Malaby, and Ensemble Modern.

 

As a composer of electro-acoustic music, he has been a resident at the Electronic Music Studios of the Akademie der Künste in Berlin and his art installation work was twice awarded a Special Jury Mention at the Japan Media Arts Festival. Further appearances as a sound and installation artist include the International Symposium on Electronic Arts (ISEA 2019), the Center for Digital Culture in Mexico City, and the International Computer Music Conference (ICMC).
 
His works have been performed at the Darmstadt Summer Courses for New Music, the Seoul International Computer Music Festival, the Kintai Music Festival, and the Tonraum Festival in Graz, among others. His music has been performed by the Riot Ensemble, the Badische Staatskapelle, the Melos Collective, and the Sfera Ensemble.