The delegating of thought, memory and action outside of the human body, inseparable from the process of individuation and identity formation, and the following implications for music establish an underlying theme of this text. It is a reflection on the process of "supplementation," of prosthetization or exteriorization in the recent and contemporary milieu of music making, in which nothing is any longer immediately at hand, where everything is found mediated and instrumentalized, technicized, unbalanced.