At a moment when musical streams are crossing with unprecedented frequency, it is crucial to remember that throughout its history, New Orleans has been the point at which sounds and cultures from around the world converge, mingle, and resurface, transformed by the Crescent Citys inimitable spirit and joie de vivre. Nowhere is that idea more vividly embodied than in the Preservation Hall Jazz Band, which has held the torch of New Orleans music aloft for more than 65 years, all the while carrying ...