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"Diabolical Masquerade" is a Swedish one-man musical project. All music is written and played by Katatonia guitarist ''Blackheim'' (Anders Nyström) who wanted to have a band where he could compose more extreme music whilst Katatonia were exploring more mellow moods. The music leans heavily on avantgarde melodic black metal with some death metal influences. Blackheim wanted to experiment more with song structure, theme and composition. This is most notabley seen on his last project as Diabolical Masquerade called "Death's Design". This album is conceived as the soundtrack to a nonexistent Swedish horror movie, with 61 tracks broken up into 20 movements, each with a unique feel and theme. While Death's Design is a more extreme album than any released by Katatonia in recent years, it also includes many passages featuring various genres and styles, experimenting with progressive rock, progressive metal, ambient, classical music, and rhythmic, percussion based passages . It is for the most part an album which expresses a plot through the feel of the music itself, much like the orchestral soundtrack to a movie might, and by doing this Nys...