Biography
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.

Acting
Born
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.

Dimmu Borgir - The Invaluable Darkness· 2008
Keyboards

Dimmu Borgir - In Sorte Diaboli· 2007
Keyboardist

Dimmu Borgir: Live at Wacken Open Air 2007· 2007
Self – Keys

Dimmu Borgir: Live at Ozzfest· 2004
Keys

Dimmu Borgir: World Misanthropy· 2002
Synthesizers, piano

Dimmu Borgir: Live at Wacken Open Air· 2001
Keys