In what year was the album “Géhenne” released by Gianni?

In what year was the album “Géhenne” released by Gianni?: The album “Géhenne” was released in 2019 by Gianni, featuring 10 tracks.
What is the most successful song from the album “Géhenne” by Gianni?: “Cité d'or” is the biggest hit from the album “Géhenne” by Gianni.

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