Though it’s far from the last word on ZZ Top, “That Little Ol’ Band From Texas” fills in the nuts and bolts, giving you enough of a glimpse of how it all happened to make it seem like a down-home rock ‘n’ roll mirage come true.
ZZ Top: That Little Ol’Band from Texas is a straight, no-chaser band biography documentary, lacking flash and big name peers singing their praises and expert testimony to park them in their rightful place in music history.
A good-natured ride at first, its limited scope grows more apparent as it goes; still, a feel-good approach is unlikely to hurt it as it begins a road-show release concurrent with the band's 50th-anniversary tour.