Friedhelm Hans Hartmann alias Freed is a Silesian composer and sound artist living in Israel. His efforts to socialise new musical perceptions have led to various international projects, including the contribution of a large fund of experimental sound textures to the Freesound.org community, the collaborative creation of musical pieces consisting of sounds from numerous sound creators of diverse musical backgrounds, interactive street concerts as well as various remote performances via the internet with sometimes several simultaneous contributors.