Weir joined the Grateful Dead at just 17 years old and spent the next 30 years playing on endless tours alongside fellow legend Jerry Garcia, who died in 1995.

Bob Weir, one of the founding members of the Grateful Dead, has died at 78, his representative confirms to USA TODAY.

A statement released Saturday on Weir's Instagram page announced that the jam band icon 'transitioned peacefully, surrounded by loved ones, after courageously beating cancer.'…