This is an interview with French artist Céleste Boursier-Mougenot on the occasion of his exhibition Presences at Galerie Mario Mazzoli in Berlin, Germany. Céleste Boursier-Mougenot is a French artist and composer who creates acoustic installations. The exhibition Presences introduces the author's innovative works relating to sound and object. Mark Gisbourne, the curator of the show, put together the exhibition from a variety of installations, oder and newer work. The centerpiece of the exhibition is an installation that features bowls, which are floating in a pool and produce sound when they hit each other. In the interview the artist talks about his background, the installations on display, and his work in general. The show runs until November 2, 2013. Céleste Boursier-Mougenot: Presences. Galerie Mario Mazzoli is curated by Mark Gisbourne (see text below) and runs until November 2, 2013.