The 1950s, composers of experimental music like Edgar Varèse, Karlheinz Stockhausen, Iannis Xenakis, Pierre Boulez and Stanley Shaff, work on the spatiality of sound and listening. John Cage, a composer and a leading figure of contemporary art, explores the auditory perceptions and everyday sounds in his art practices. These personalities from the musical field, aroused in young visual artists and composers of the following decades, an interest in listening to the environment in spatially, sensory, and participatory level. Among them, Max Neuhaus, a percussionist, and a performer, left his musical career and created LISTEN in 1966, a sound walking focus on listening to the soundscape. An artistic practice close to the sound ecology philosop...