To add a video for Montpellier MS Anonymous / Que ferai biaus sire / Ne puet faillir / DESCENDENTIBUS (Mo 77), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Montpellier MS Anonymous / Que ferai biaus sire / Ne puet faillir / DESCENDENTIBUS (Mo 77)