Looking for the title of this medieval song beginning at 19min37sec

[bebert]

Hello. If anyone would know it, it would be wonderful. No song detection app found it. Thank you very much.

[Baard]

Watching this. I couldn't see any composers, perfomers or recordings listed in the credits, which could imply that it is library music.

[Numanoid]

No info at Wikipedia unfortunately

I can confirm that it is in C# Minor though

https://fr.wikipedia.org/wiki/Les_Grand ... pass%C3%A9