Material Object is the main production alias of veteran Australian producer Andre Ruello. His focus is on the most psychedelic forms of techno and ambient. As well as his own productions he has collaborated extensively with Uwe Schmidt (Atom™) and the late Pete Namlook, including releasing on Namlook's Fax label. Ruello has performed and DJed live all over the world, including a number of appearances at Japan's Labyrinth festival. The summer of 2024 sees him give his debut live performance in the UK.

Mastered by Uwe Schmidt, Colour is a set of six single take studio improvisations that explore the boundaries of what can be achieved with a single instrument in the hands of a skilled musician.

Old Technology Records is Surgeon and Dan Bean's record label, focussing of psychedelia in all its varied forms.