Artists have always tried to go one better than Bing Crosby’s White Christmas, the song that arguably defines the holiday season like no other.Year after year, artists and songwriters have been trying to go one better than Bing Crosby. His recording of “White Christmas” is ubiquitous and along the way has become the biggest-selling single of all time, racking up sales of 50 million in the process. Among the artists that have tried to emulate Bing’s success are Carpenters and their beautiful “Merry Christmas Darling,” The Beach Boys’ rousing, harmony-filled “Little Saint Nick,” Elton John’s “Step Into Christmas” and...