 He has also said that he is working on a doom metal album similar to the works of Candlemass.To this date he has only been employed as a drummer in all of the bands he is/has been a member of excluding Borknagar on their album Epic, where he played drums, bass, and performed the guitar on the track "The Weight of Wind".Mickelson has been a member of several metal bands, among which the best known ones are Spiral Architect which he co-founded, and Borknagar.