Progressive Sludge

Progressive Sludge is a subgenre of metal music that combines elements of sludge metal, progressive metal, and post-metal. It is characterized by slow, heavy riffs, often with complex time signatures and dissonant chords, as well as a focus on atmosphere and texture. The vocals are usually harsh and aggressive, and the lyrics often deal with dark and personal themes. The music is often experimental and incorporates elements of other genres, such as jazz, classical, and ambient.