The Grateful Dead was a rock band that formed in Palo Alto, California, United States in the 1965. They are known for their concerts, and devoted followers called "Deadheads". The band and their music are sometimes associated with the hippie and drug cultures. Their music style is psychedelic rock combined with other kinds of music like blues, country, folk, and bluegrass. They are also known for their artwork and logos, which include skeletons and dancing bears.