This year's Christmas chartbusters are all retro with at least 15 American States going for "jingle bells" as their ... packed the third spot in the most hummed songs of this festive season.

"Jingle bells ... There’s no shortage of songs that capture the magic of the season. From timeless songs like Silent Night to upbeat tunes like All I Want for Christmas Is You, each song ...

For Christmas in 1965, astronauts Walter M. "Wally" Schirra Jr and Thomas P. Stafford played "Jingle Bells" aboard ... Mission Control routinely used recorded songs to wake up astronauts.