Bing Crosby introduced the song "White Christmas" not in the movie "White Christmas" but in this earlier film
... 
Elvis doing Christmas songs did rub some people the wrong way, but much of the
... [DOC] [TLE] White Christmas - History, Lyrics, and More | ChristmasSongs.net [PAR] Written by Irving Berlin and made famous by Bing Crosby, White Christmas is ... 
the black keys, but this did not keep him from writing his first song in 1907, ... Bing 
Crosby, who played in the movie alongside Fred Astaire introduced the ... a film 
with the same title as the famous Christmas ballad starring Bing Crosby came out
.