According to the Guinness Book of World Records, Bing Crosby's "White Christmas" is the best-selling single of all time with more than 50 million copies sold.
But in the spring of 1942, Crosby recorded it in just 18 minutes and said shortly afterward that he didn't really think the song was anything special.But its author, the famed composer Irving Berlin, sure did!
After writing it during an all-night session, Berlin greeted his secretary when she arrived in the morning and told her, "Grab your pen and take down this song. I just wrote the best song I've ever written. Heck, I just wrote the best song that anybody's ever written!"
That may sound like arrogance, but 50 million sales later, Berlin might just be right.
Click on the player below to listen to the complete series, "The Forgotten History of Our Favorite Christmas Carols!