Mayhem's lineup changed because of the murder of which founder of the early Norwegian black metal scene?
Euronymous Øystein Aarseth (] ; 22 March 1968 – 10 August 1993), who went by the pseudonym Euronymous, was a Norwegian guitarist. Euronymous was a founder of and central figure in the early Norwegian black metal scene. He was a co-founder of the Norwegian black metal band Mayhem. He was also founder and owner of the extreme metal record label Deathlike Silence Productions and record shop Helvete.
Juha Harju Juha Harju (born 1981 in Kuopio) is a Finnish heavy metal musician. He was the vocalist of the Finnish dark metal/black metal band Shade Empire and dark-metal band Chaosweaver (Cypher Commander). He also plays bass in black metal bands Ajattara (under the alias Tohtori Kuolio) and Deathchain (under the alias Kuolio). He has named Ozzy Osbourne and Chuck Schuldiner as his favourite musicians.