Claim: Pierre Gambini is a French composer and songwriter who has been involved with the soundtracks for Mafiosa 4, and Mafiosa - L'ultime saison, which both reached positions on French music charts.
Evidence: Pierre Gambini (born in Corte, Corsica) is a French songwriter and composer. He is most famous for writing the soundtrack and music score for the fourth season of the Corsican-themed French TV series Mafiosa broadcast in 2012 and for the follow-up Mafiosa - L'ultime saison in 2014. Mafiosa 4 132 Mafiosa - L'ultime saison 171