Piethopraxis is Marcus Schmickler's sound production facility operating from Cologne.

Marcus Schmickler has written numerous pieces for electronic music, chamber ensemble, choir and orchestra, which have been premiered by renowned ensembles and musicicans. Next to his musical work, he has also worked on installations and radioplays as well as collaborating vastly in the field of theatre and film. Lately, he has been interested in the epistemic dimensions of music/sound.