Katatonia is a Swedish heavy metal band formed in Stockholm in 1991 by Jonas Renkse and Anders Nyström. The band started as a studio-only project for the duo, as an outlet for their love of death metal. Increasing popularity led them to add more band members for live performances, though outside of the band's founders, the lineup was a constantly changing, revolving door of musicians throughout the 1990s, notably including Mikael Åkerfeldt of Opeth for a period. After two death/doom albums, Dance of December Souls (1993) and Brave Murder Day (1996), problems with Renkse's vocal cords coupled with new musical influences caused the band to stray away from the screamed vocals of death metal to a more traditional melodic form of progressive rock.
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