A middle-of-the-road rock and pop assortment, The Edge of Christmas repackages chestnuts such as Bing and Bowie crooning “Peace on Earth/Little Drummer Boy” and Dave Edmunds’s version of Chuck Berry’s classic “Run Run Rudolph.” In between there are marginal readings of “Please Come Home for Christmas” from Pat Benatar, “Winter Wonderland” by the Cocteau Twins, and Queen’s “Thank …