"White Christmas" is an Irving Berlin song reminiscing about an old-fashioned Christmas setting. According to the Guinness Book of World Records, the version sung by Bing Crosby is the best-selling single of all time, with estimated sales in excess of 50 million copies worldwide.
Accounts vary as to when and where Berlin wrote the song. One story is that he wrote it in 1940, poolside at the Biltmore hotel in Phoenix, Arizona. He often stayed up all night writing — he told his secretary, "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!"
The first public performance of the song was by Bing Crosby, on his NBC radio show The Kraft Music Hall on Christmas Day, 1941; the recording is not believed to have survived. He subsequently recorded the song with the John Scott Trotter Orchestra and the Ken Darby Singers for Decca Records in just 18 minutes on May 29, 1942, and it was released on July 30 as part of an album of six 78-rpm songs from the film Holiday Inn. At first, Crosby did not see anything special about the song. He just said "I don't think we have any problems with that one,...