Mayhem is a Norwegian black metal band formed in Oslo in 1984. They were one of the pioneers of the Norwegian black metal scene, and their music has profoundly influenced the black metal genre. Mayhem's early career was marked by several controversies, including their notorious live performances, the 1991 suicide of vocalist Per Yngve Ohlin ("Dead"), and the 1993 murder of guitarist Øystein Aarseth ("Euronymous") by former bassist Varg Vikernes of Burzum.
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