changed: - pd and open source – open to all? feasibility – availability –con-vention werner jauk pd: pure data is associated with the „common digit“ and feasibility. It is an interface to organize structures: in the arts, society, politics...... the possibility of some kind of non-mechanistic structuring of the digital code binds it to music, the transgression of the mechanistic paradigm, and the transgression of the sensory defined arts at the same time – but: is it open to all those new arts? pd: pure data is associated with public domain, with availability. Expressive behavior has a communicative function: making music, formalized in music as the „Objektivation des Wir“ is a role-model for collective arts and processes. As an intuitive interface it opens to the public – but: is it open to all the non-elitaere avantgarde?