Last Christmas I gave you my heart
Feliz navidad
JIngle Bells
The song is Step Into Christmas.It is a Christmas song performed by Elton John.
It came upon the midnight clear.
It Came Upon a Midnight Clear.
No, there isn't a Christmas song with the initials TBC. There is one with the initials TBHC (The Boar's Head Carol).
You are probably looking for the song Jingle Bells.
The Christmas song with the initials DHFC is "Driving Home for Christmas", recorded by Chris Rea and released in 1986.
The song title is "O Holy Night", but the initial refer to the first line: O holy night; the starts are brightly shining...
The Christmas Song "Chestnuts Roasting on an Open Fire"
There's a song called "A Marshmallow World" that Raul Malo and Vic Damone (at least) have recorded.