Earth Opera

For a time in the mid- to late '60s, it seemed as though Boston might become the East Coast's answer to San Francisco -- it never happened, but if it had, Earth Opera had as good a shot as any of being the East Coast answer to the Grateful Dead. Spawned out of the early- to mid-'60s folk boom, Earth Opera's core was comprised of Peter Rowan, a former bluegrass player (and Bill Monroe alumnus) whose proficiency on guitar and mandolin was soon matched by his songwriting; and David Grisman, a mandolin virtuoso of no small talent who had played with a various younger ensembles, in...