Mirror of our society, the experimental film also reflects the issues. This highlighting of the real is accompanied by a work of sound composition which is to examine the place in the construction of meaning and in the expression of violence. What role does sound play in audiovisual composition? What are the functions of music composition? What are the means of sound processing? How does the sound composition articulate the temporality of the film? This publication questions the relationship between image and sound, mixing origins, disciplines and approaches, with articles on filmmakers and works from all walks of life: Aldo Tambellini, Bakary Diallo, Clio Simon, Christoph Girardet, Matthias Müller, Guli Silberstein , Randa Maroufi, Philippe Rouy and Nam June Paik.