Mayhem's lineup changed because of the murder of which founder of the early Norwegian black metal scene?
Mayhem (band) Mayhem is a Norwegian black metal band formed in 1984 in Oslo. They were one of the founders of the Norwegian black metal scene and their music has strongly influenced the black metal genre. Mayhem's early career was highly controversial, primarily due to their notorious live performances, the 1991 suicide of vocalist Per Yngve Ohlin ("Dead") and the 1993 murder of guitarist Øystein Aarseth ("Euronymous") by former member Varg Vikernes ("Count Grishnackh"), of Burzum.
Celtic Frost Celtic Frost ( ) was a Swiss heavy metal band from Zürich. They are known for their strong influence on the extreme metal genres. Formed in 1981 as Hellhammer, the band became Celtic Frost in 1984 and was active until 1993. It re-formed in 2001 and disbanded following frontman Tom Gabriel Fischer's departure in 2008. The band was inspired by heavy metal groups such as Black Sabbath, Judas Priest and Venom, but also by gothic rock acts like Bauhaus, Siouxsie and the Banshees and Christian Death, and by the hardcore punk group Discharge.