Spiral Architect is a Norwegian progressive metal band named after a Black Sabbath song. They have recorded two acclaimed demos and one album, A Sceptic's Universe, since they began in 1993, as well as a Fates Warning cover "A Prelude To Ruin" for the tribute album Through Different Eyes - A Tribute to Fates Warning. Singer Øyvind Hægeland was lead vocalist of Norwegian heavy metal band Manitou during the 90's, symphonic avant-garde metal band Arcturus from 2003-2005 and Scariot for their latest studio album. Drummer Asgeir Mickelson plays drums for Norwegian progressive/black metal band Borknagar and Code, as well as performing session and live drums for a variety of bands including Testament, Sturmgeist, Vintersorg, Enslavement of Beauty, and Lunaris. For the time being guitarist Steinar Gundersen and bassist Lars K. Norberg are working as session musicians for Norwegian black metal band Satyricon.