Career
Foreign the actor with the same name, see Anders Nyström (actor). Nyström founded the Swedish metal band Katatonia with singer Jonas Renkse in 1991. Nyström is involved in the songwriting, backing vocals, keyboards, programming, arrangements, art direction and production of Katatonia along with Renkse.
He has released four albums as the solo black metal act Diabolical Masquerade (1993–2004).