Mustis is the pseudonym of Øyvind Johan Mustaparta (born 10 September 1979), a Norwegian keyboardist best known for his work in the symphonic black metal band Dimmu Borgir, as well as the black/thrash metal band Susperia. Biography. Mustis was briefly an official member of Susperia (at the time named Seven Sins) from 1999 to mid-2000. He played keyboards on a demo EP the band released called Illusions of Evil (2000), shortly after which he left the band to focus on Dimmu Borgir.
https://en.wikipedia.org/wiki/Mustis
Mustis is the pseudonym of Øyvind Johan Mustaparta (born 10 September 1979), a Norwegian keyboardist best known for his work in the symphonic black metal band Dimmu Borgir, as well as the black/thrash metal band Susperia. Biography. Mustis was briefly an official member of Susperia (at the time named Seven Sins) from 1999 to mid-2000. He played keyboards on a demo EP the band released called Illusions of Evil (2000), shortly after which he left the band to focus on Dimmu Borgir.
