Pushing up the mercury with a feverish series of provocative cries, blues-textured moans and high-octane howls, Grace Potter and her roots-rocking Nocturnals get positively overheated "even though it's the middle of winter" on "Hot Summer Night," from the Vermont quintet's eponymous, breakthrough 2010 album. Expect a similarly steamy performance despite the February chill when Potter and mates pull into House of Blues. Potter's soulful, sultry pipes, which can whip up a withering hard-rock lather or blistering blues-rock as readily as pop-savvy balladry, have inspired hit-and-miss comparisons to everyone from Bonnie Raitt to Ann Wilson, Janis Joplin and Tina Turner. Perhaps closest to Raitt, Potter now is setting her own incendiary standards, deftly abetted by the terrific, dual-guitar wielding,... More >>>