"Ghost Reveries" is the eighth studio album by the Swedish progressive metal band Opeth, released in 2005. The album features a blend of heavy metal and acoustic elements, showcasing the band's signature sound that combines melodic and aggressive styles. It includes tracks that explore themes of loss, memory, and the supernatural. The album received critical acclaim for its intricate compositions and lyrical depth. Notable songs include "Ghost of Perdition" and "The Grand Conjuration," which highlight the band's ability to shift between soft, atmospheric passages and powerful, heavy riffs. "Ghost Reveries" solidified Opeth's reputation in the progressive metal genre.