"The Christmas Invasion" "The Runaway Bride" "The End of Time Part One"
The Robotic Santa Clauses play this before attacking Rose and Mickey. Also played by Robotic Santa Clauses in "The Runaway Bride" shortly before Donna gets into the Taxi on the way to her wedding. Played in Part One of "The End of Time" by humans shortly before Wilfred enters the Church in the pre-titles sequence.
"Jingle Bells"
Murray Gold
"The Christmas Invasion"
The tune to "Jingle Bells" plays when the Robotic Christmas Tree attacks. Variations of the "Jingle Bells" theme tune are later heard in the following two years' Christmas specials, "The Runaway Bride" and "Voyage of the Damned".
"Merry Xmas Everybody"
Slade
"The Christmas Invasion" "The Runaway Bride" "The End of Time Part One"
Written by Noddy Holder and Jim Lea and produced by Chas Chandler. This song was used again in the following year's Christma