Octis is the moniker of Mick Barr, an American guitarist known for his complex, high-speed guitar playing. Primarily instrumental, Octis' music is characterized by its technical proficiency, avant-garde style, and minimalist composition, often consisting solely of intricate guitar work. Barr, also recognized as a member of experimental metal bands Krallice and Orthrelm, has made significant contributions to the field of experimental music. Notable works include "Ocrilim" and "Anoint", both of which highlight his distinctive, rapid-fire guitar techniques.