Brian Questa (b. New York, 1988) is a composer, sound artist, and double bassist based in Karlsruhe, Germany. His work has been exhibited in numerous venues and galleries across New York City as well as in Berlin, Frankfurt, Lima, and Tranas, Sweden. He is a founding member of XUPSTAR, a performance art and experimental music platform based in Oakland, California and Karlsruhe, Germany. In 2014, XUPSTAR's 12-channel sound work 'Circular Smells' premiered in Berlin during the installment of Urban Solar Audio Plant, a multi-channel solar-powered public sound installation brought to Templehoeffer Air field and Aufbauhaus in Mitte in collaboration with C60 Collaboratorium fuer Kultural Praxis.
He has recorded and performed with Han Bennink, Mary Halvorson, Tony Malaby, the Tactus Ensemble, and Johnny Reinhard's 128 Ensemble, as well as many solo double concerts including at the American Festival of Microtonal Music. He is currently a master's candidate at the Hochschule fuer Musik Karlsruhe, studying composition with Wolfgang Rihm.