The Akron, Ohio-based duo The Black Keys is well known for its concentrated, hermetic approach to recording, hunkering down with rudimentary equipment in an unfinished basement or commandeering the floor of a vacant local rubber factory to create terse but soulful rock that seems to have time-traveled into the pair’s amps from some long-ago radio show. But guitarist-vocalist Dan Auerbach and drummer Patrick Carney now admit they were ready for a change of scene—as well as some company.