Julie Cooper is among Britain's leading composers of film and television soundtracks. Cooper earned her first commission for a BBC Wales television score. Early in her career, Cooper focused on scores for regional theatrical productions around Britain. Cooper has gone on to compose soundtracks for productions in many visual media, including films, wildlife documentaries, and various kinds of television dramas. She has written music for such soloists as percussionist Evelyn Glennie and soprano Grace Davidson. The 2022 release Julie Cooper: Continuum included guest appearances from Davidson and violinist Elena Urioste and spoken words from actress Adjoa Andoh.