The interactive sound installation "Particle" consists of three different installations: "Mirror" a video projection in which the viewer throws himself and activates an entire digital world from the shadow he creates, "Fountain" from which visitors will play various sounds, touching the different heights of the flowing waterfall, and "Vibrations" that activate pigments according to the viewer's touch like sound works which activates only the sense of hearing. Here, the visitor is asked to activate complex mechanisms to listen to the sound which he too can control in different ways. In fact, it is a technological development that produces sound control, similar to the act of photography as a documentary product of a number of actions and placement in space.