Historical Archive
Opium Den is an extended play by the American rock band Tool, released in 1991. This album showcases the band's early progressive metal sound, characterized by complex rhythms, dark themes, and a blend of heavy instrumentation with ethereal elements. The EP is notable for its experimental approach and lyrical depth, which would become hallmarks of Tool's later work. With tracks that explore themes of consciousness and existentialism, Opium Den laid the groundwork for the band's future success and established them as a significant force in the alternative metal genre.