[3] Guinness World Records recognizes "White Christmas" as the best-selling single of all time, selling 50 million copies globally.

[6] Musically, Crosby set the benchmark for the intimate "easy listening" genre that influenced future male artists including Frank Sinatra, Dean Martin, Perry Como, and Dick Haymes.

He joined the Paul Whiteman Orchestra in 1927 which led to his first screen appearance as a member of the trio The Rhythm Boys in King of Jazz.

Crosby recorded with numerous artists, including Al Jolson, his fellow film stars Judy Garland and Bob Hope, and The Andrews Sisters.

Since many radio stations in the US adopt a format change to Christmas music each December, many holiday hits have an annual spike in popularity during the last few weeks of the year and are retired once the season is over.