In love actually the part where the man knocks on the door in the background there is a Christmas song what is it called?

In the movie Love, Actually, there are actually several scenes with men at the door, usually ringing the bell. The one scene where a man knocks at someone's door is when Daniel (Liam Neeson) knocks on his stepson Sam's (Thomas Sangster) bedroom door to try to get him to eat some dinner. The music playing during this scene is "White Christmas" performed by Otis Redding.[[Q/In love actually the part where the man knocks on the door in the background there is a Christmas song what is it called|]]