Question: whats the number one christmas song of all time
Answer: These included songs aimed at children such as `` Santa Claus Is Comin ' to Town '' and `` Rudolph the Red - Nosed Reindeer '' , as well as sentimental ballad - type songs performed by famous crooners of the era , such as `` Have Yourself a Merry Little Christmas '' and `` White Christmas '' , the latter of which remains the best - selling single of all time as of 2017 .