They are following a french language course, I love that scene with the light and the song in french
(just for your curiosity, that is the song here, I don't find it in a real version. https://www.premiumbeat.com/royalty-free-tracks/ce-matin-le-soleil-old-fashion-style?fbclid=IwAR3yEPrP55b0KuB5pDEw5AXgfKOhaXidFInQDKuVCMB7ouCpb4CBdluM8Xk).
There relation is so both straightforward and subtile.