The Flaming Lips, whose “A Change at Christmas” remains perched on one of the highest evergreen branches in our all-time Xmas Top 5, covered the unlikely but unforgettable Bing Crosby/David Bowie duet of “Peace on Earth” and “Little Drummer Boy”. For some reason (Historical commentary on state oppression in times of spiritual change? Silliness?) , they did it dressed as painted Roman soldiers.