What style of music is the Grateful Dead?

The Grateful Dead span many genres and have bene influenced by many styles of music, which is evident in the variety one experiences across albums, live shows and eras throughout the band's history. They have also had many band members come and go and each have brought a different influence to the bands repertoire. Many evident styles are folk, jazz, ragtime, rock and roll, and country. The broad spectrum of styles is likely the reason they have such a large following.