Performance is a 1970 British film directed by Donald Cammell and Nicolas Roeg. It stars James Fox as gangster Chas and Mick Jagger as reclusive rock star Turner. The film explores themes of identity, gender, and liberation through its surreal and psychedelic style as Chas enters Turner's decadent world of drugs and experimentalism. It uses techniques like non-linear editing, Dutch angles, and sound design to disrupt conventions and mirror the disorientation of altered states of consciousness.