An attempt will be made on 4 June to break the world record for the world’s largest dictation event. It will be held on the Champs-Élysées in Paris for 1,700 participants.
The existing record-holder is an event for 1,473 participants at the French national stadium (Stade de France) in 2018. https://www.20minutes.fr/paris/4035705-20230510-inscriptions-plus-grande-dictee-monde-champs-elysees-ouvertes
As I’ve said before, dictation is the best all round test of someone’s language knowledge. Dictation in language learning – Language Miscellany
Aux Champs-Élysées (‘on the Champs Élysées) is the title of a catchy French pop song of the 1960s. Here is a link to a page with the lyrics (in French and in English translation) and with a video of a performance. https://www.madbeppo.com/french-songs/aux-champs-elysees/