In the present work the relation perceptive contains just as much the subjective and unstable field of sensation as it does the stable field of perceptual discriminations that tend to be structured. The theoretical statement is that the experience of the encounter with a work of art, especially of music, unveils a word. No sooner do we stop seeing the work of art as an object and start seeing as a world, then we realize that art reveals itself to be the expedient that clarifies the meaning of our perceptual relationship with the world, this perceptual syntony between the essence of the world and the sensing of subjects, this expressive processuality in which activity and passivity are horizons that can certainly be distinguished in descript...