Please answer the following question: Ivar Bjrnson (born 1977) is a Norwegian composer/guitarist for the progressive black/viking metal band Enslaved. He is along with Grutle Kjellson one of only two founding members left in the current line-up being only 13 years old at the time of the band's formation. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Artist