(Jazz Alley) Judging from his 2010 Seattle performance, Dr. John will not be exhuming his swampadelic classics from Gris-Gris, Remedies, or The Sun, Moon & Herbs. Maybe this New Orleans musical legend just can't get back into that dank headspace anymore, can't summon that ominous libidinal pressure at this late date. It happens. That being said, Doc's latest album, Locked Down, finds him receiving a filthy, robust boost from a group of younger cats, including the Black Keys' Dan Auerbach—who produced, sang backing vocals, and played guitar on it. The record sounds vital and politically engaged for a 72-year-old magus—the funkiest he's been in decades. Those players won't be joining Mac Rebennack for this four-night stand at Jazz Alley, but trust him to hire a band that'll nail Locked Down's punchy grooves and triumph-over-adversity melodies.