: ## Analysis of Source Material
1.Core topic & User Question:
The article reports on a surprise appearance by singer Tina Arena on the French game show N’oubliez pas les paroles (“Don’t forget the Lyrics”). The surprise occurred during a performance by a contestant, Élodie, who had previously sung Arena’s song “Aimer jusqu’à l’impractical.” The article details the reactions of the contestant, the show’s host Nagui, and Tina Arena herself. The implicit user question is “What happened on the set of N’oubliez pas les paroles?” or “What was the surprise on N’oubliez pas les paroles?”.
2. Optimal Keywords:
* Primary Topic: N’oubliez pas les paroles Surprise Appearance
* Primary Keyword: N'oubliez pas les paroles Tina Arena
* Secondary Keywords:
* Tina Arena
* N'oubliez pas les paroles
* Élodie Maestro
* French game show
* Aimer jusqu'à l'impossible
* Nagui
* Surprise guest
* Game show surprise
* France 2
* Karaoke game show
* Music and TV
* Celebrity appearance
* Viral video (given the Instagram embed)
* Entertainment news
* French television