At the dawn of the 2020’s, the ship of classic, folk, and progressive rock has all but foundered on the jagged reefs of musical fashion, weighted down with its ambitious pretensions and buoyed on toward ruin by a new generation of music makers. A part from a handful of genius minds and vaguely extinct musical projects, things look bleak for fans of these once-glorious genres. But now, like a phoenix from the ashes, an independent entity arises from the wreck,...