Rig Rundowns

There's no doubt ZZ Top trademarked Texas boogie. And over 30 years later, the Sword furthered the Lonestar shuffle's legacy by darkening it. The Austin outfit's 2006 debut Age of Winters combined the rhythmic bounce of Tres Hombres with the power and might of Master of Reality. The cross-pollination of Gibbons and Iommi continued in 2008's Gods of the Earth, with heavier right-hand picking and tempos shading towards thrash-y Priest and Thin Lizzy's "Emerald." Traces of proggy psychedelia, like 2112 Rush and late-'70s Genesis, turned 2010's concept album Warped Riders into a swirling voyage of sci-fi conquest and space exploration, with the music matching the otherworldly narrative. And 2012's Apocryphon saw the band settle into themselves, collectively cherry-picking all the things that worked on the previous three albums. Songs like "Cloak of Feathers" and the title track show their musical certainty. High Country, from three years later,