HOODOO GURUS Purity of Essence hoodoogurus.net While their résumé encompasses three decades and nine albums, the Hoodoo Gurus evince an energy that should make bands half their age envious. Co-producing with Charles Fisher (and employing veteran producer Ed Stasium for the mix), the group turns Purity of Essence into a blistering tour de force, as formidable a rock ’n’ roll record as anything in recent memory. “Crackin’ Up,” “Burnt Orange,”...