This Grammy winner is a perennial favorite, selling throughout the year -- because it"s the hippest "holiday" album ever made. The septuagenarian Gospel greats enlisted a star-studded gallery of guests -- including Aaron Neville, Chrissie Hynde, Mavis Staples, Michael Franti, George Clinton, Robert Randolph, Tom Waits, Solomon Burke, Shelby Lynne -- winning their third consecutive Grammy in Traditional Soul Gospel.