Thickfreakness

The Black Keys’ second album is a continuous, energised ramble through a stripped down delta-blues. Simultaneous guitar and vocal melodies draw out Dan Auerbach’s perfect bluesman growl, and Patrick Carney’s shuffling rhythms. - Ross Bennett of Drowned in Sound

The pressure to make a White Stripes comparison here is almost unbearable, so I'll get this out of the ...

While the vast majority of post-punk bands who have an obvious taste for the blues seem to enjoy taking the style apart and messing around with the bits and pieces, the Black Keys are the (relative) traditionalists within the subgenre.