This article aims to raise questions about the sonorous and the visual and presents possibilities of ouvertures to the compared aesthetic. In the first part, questions of historical order reveal the interest this theme has provoked for centuries. The second part discusses the temporal nature of artistic practices through texts by artists (Klee, Delaunay, Gould e Messiaen) and Nattiez. The compared aesthetics is defined in the third part by the concepts of Étienne Souriau and his ouvertures are presented through the recognition of the "objetality" of the musical fact.
visual; sonorous; musical image and time