To add a video for Duo Campion-Vachon / Let It Snow! Let It Snow! Let It Snow! (after S. Cahn / J. Styne), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Duo Campion-Vachon / Let It Snow! Let It Snow! Let It Snow! (after S. Cahn / J. Styne)