White Christmas (weather) by Bing Crosby from the film "Holiday Inn", is the best-selling single of all time and speaks nostalgically of a traditional white Christmas. The definition of "white Christmas" varies. In most countries, it simply means that the ground is covered by snow at Christmas, but some countries have more strict definitions. In the United States, the official definition of a white Christmas is that there has to be a snow depth of at least at 7:00 a.m. local time on Christmas morning, and in Canada the official definition is that there has to be more than on the ground on
White Christmas (song) are the formats and track listings of single releases of "White Christmas". Crosby's "White Christmas" single has been credited with selling 50 million copies, the most by any release and therefore it is the biggest-selling single worldwide of all time. The "Guinness Book of World Records" 2009 Edition lists the song as a 100-million seller, encompassing all versions of the song, including albums. Crosby's holiday collection "Merry Christmas" was first released as an LP in 1949, and has never been out of print since. There has been confusion and debate on whether Crosby's record is or is not the best-selling