THE BLACK KEYS El Camino [Nonesuch Records] Prior to its release, Black Keys drummer Patrick Carney proclaimed El Camino the first “all rock ’n’ roll album” of the duo’s decade-long career. Point taken, but the Keys have hardly forsaken the retro-soul vibe that’s underpinned previous discs. Kicking off with the raging, surf-guitar-driven “Lonely Boy” (think the Cramps with a touch of Memphis R&B), Carney and guitarist Dan Auerbach...