Comus is a British progressive rock band formed in 1969, known for their dark, ethereal sound that blends folk, rock, and classical influences. Their 1971 debut album "First Utterance" is considered a cult classic, featuring haunting vocals and intricate instrumentals that have influenced generations of progressive and experimental musicians. The band's atmospheric approach to storytelling through music has earned them a devoted following among fans of avant-garde and psychedelic rock.