“Live albums often bank on facile nostalgia: "Man, I remember when they played 'Truckin'' as the seventh encore." In the case of folks who live in the middle of nowhere, the nuggets of stadium-sized atmospherics offer a vicarious pleasure: "Man, now I know what 'Truckin'' would sound like as a seventh encore." Completists pay top dollar for these watery simulations, which generally only amount to l”