GS is Grzegorz Siedlecki, better known as the man behind Polish industrial project Horologium, and also formerly a member of Krepulec and Totenhaus. He is also the founder and leader of Ur Muzik Label and independent journalist in his spare time. In 2006 Italian label Ars Benevola Mater issued his album Metafizyka. Music of GS can be described as metaphisical ambient combining titual and industrial aspect of the genre. Drones and ritualistic rhythms are merged with postindustrial, mechanical sound. On the field of non-musical inspirations of GS project we can find classic metaphysics of Aristotle, occultism and 20th century existentialism.