Le scandale de Collier de la Reine

L'affaire du collier de la reine (1946) de Marcel L'Herbier
l'arrestation du cardinal de Rohan
Please if anybody knows the music that plays during the scene I would love to know. Thanks for help.
I do not own any rights to this video. It was made for entertainment purposes only.
Le cardinal de Rohan......Maurice Escande
La reine Marie-Antoinette.....Marion Dorian
Le roi Louis XVI.................Jean Hébey
Le baron de Breteuil............Jean Morel
Le prince de Soubise..........Robert Dartois
La duchesse de Polignac.......Hélène Bellanger
Le duc de Villeroi..................Marcel Lagrange
Un page de la reine...............Jean-Pierre Mocky