There was a time when the race to the Christmas Number One meant queuing up at your local record shop. Now, of course you're far more likely to download it. Well, the X Factor's festive single is likely to be in contention.
And this one is extra special - especially for a little girl from Kent who's not only starring in it, she's brought its producer to tears.
Hallie Robb first amazed Simon Cowell with her singing on a visit to the Demelza Hospice in Sittingbourne. Here's Andy Dickenson's report.