DEVIN McKINNEY  •  This is an anniversary worth remembering—partly because it reminds us that next year's is the 40th. As Nature Intended is the essential Get Back boot from the great "second wave" of Beatle illicits that hit the market in the early '90s. But then came the third wave—and that crested, and conceivably was capped for all time, by The Complete 2 CD Rooftop Concert, issued on the Yellow Dog label in 2000. It is beyond comprehensive, surrounding the event from all angles and allowing us to hear-"see" it in something like documentary totality. Disc 1 has the complete concert itself, [...]