A meeting between two unorthodox sound artists: Martin Tétreault, a tremendous creator of spaces and Xavier Charles, an unquestionable talent full of energy. Their association gives birth to a world of matter, of sudden revivals, of textures. {nbio:tetreault_ma} and {nbio:charles_xa} will tour Europe from April 22 to May 27, 2004. During the course of his tour, {nbio:tetreault_ma} will also meet in concert with Ignaz Schick, Otomo Yoshihide, Érik M and many others.