Recently, prog-metal legends Tool put on a pair of raucously captivating concerts for packed crowds at Footprint Center in downtown Phoenix. The two shows, which were part of Tool’s tour in support of their ninth studio album, “Fear Innoculum,” featured mind-bending visuals, a thunderous and intricately crafted rock cacophony and the haunting vocals of frontman (and Arizona resident) Maynard James Keenan…