Sarah Washington is a British improvisational musician and electronic instrument builder who lectures and gives workshops on circuit bending. She performs with the international groups Responge, P Sing Cho, Feedback People, The Owl Service, and as half of the duo Tonic Train, in addition to her solo performances. Washington is also a radio artist who has produced hundreds of hours of live and recorded programmes for Resonance 104.4 FM, London’s art radio station, which she helped to create. She now works on behalf of the station to form new radio art projects with other independent radio stations across Europe, and also produces itinerant broadcasts with Tonic Train’s new venture Mobile Radio.