They were a death metal band by the name of Black Death whose members were Gylve Nagell, Ivar Enger, and Anders Risberget.
He is credited as featuring on the band's first three albums; Soulside Journey, A Blaze in the Northern Sky and Under a Funeral Moon, as well as the Goatlord album; the rehearsal tapes of what was originally intended to be their second album (with later added vocals).
Ivar Jacobson | Enger | Sir Ivar Colquhoun, 8th Baronet | Ole Ivar Lovaas | Ivar the Boneless | Ivar's | Ivar Kreuger | Ivar Kleiven | Paul Ivar Paulsen | Ivar Sahlin | Ivar Mortensson-Egnund | Ívar Ingimarsson | Ivar Hippe | Ivar Grydeland | Ivar Enger | Ivar Arosenius | Ivar Aronsson | Ivar Antonsen | Fourth of Jul-Ivar's |