With his gritty voice, insistent rhythms, and slashing guitar work, Preacher Boy is an artist who bridges the gap between the past, present, and future of the blues. First making a splash on the San Francisco blues scene, Preacher Boy started out playing music explicitly rooted in the past, as on 1995's Preacher Boy & the Natural Blues, with arrangements influenced by 1930s blues and jazz, but by the time of 2000's The Devil's Buttermilk, he'd evolved a more contemporary approach incorporating electric guitars and keyboards. He stripped his music back to just guitar and vocals...