Check out Youtube. You can find whatever music you like there.
Here are some good Christmas songs:
https://www.youtube.com/watch?v=v5mdybeyLVc
https://www.youtube.com/watch?v=8VfYKmJkxl0
https://www.youtube.com/watch?v=3sKmHiGOv70
Merry Christmas. Enjoy!
Here is my favorite, Living Strings!
https://www.youtube.com/watch?v=XKpsSJ-qU50