It’s too facile to call the Black Keys counterparts of the White Stripes: they share several surface similarities -- their names are color-coded, they hail from the Midwest, they’re guitar-and-drum blues-rock duos -- but the Black Keys are their own distinct thing, a tougher, rougher rock band with a purist streak that never surfaces in the Stripes. But that’s not to say that the Black Keys are blues traditionalists: even on their 2002 debut, The Big Come Up, they covered the Beatles’ psyched...