Whether or not you've heard every song in their catalog, spent countless hours learning the chords to 'Casey Jones,' or were one of millions lucky enough to have seen them live, odds are the Grateful Dead are not complete strangers to your world. Rock 'n' roll's seminal jam-band, the Grateful Dead were one of the planet's most successful touring rock bands to ever set foot on the stage. Formed in 1965 and disbanded after the death of Jerry Garcia, their lead guitarist, in 1995, the Dead entrance