It's a mystery why has so many compilations in print, since they all cover roughly the same territory. isn't as comprehensive as the box, nor as concise as ; what it is, rather, is a kind of a follow-up to 1972's collection, featuring a number of classics ( ) that were omitted from the earlier record. It duplicates many tracks from the aforementioned sets, but it's still great listening on its own, even if it isn't necessarily the place to start. ~ Jim Smith