Sidaction celebrates the 40th anniversary of the musical Starmania, by Michel Berger and Luc Plamondon. French music stars cover the most emblematic titles on France 2. With Slimane, Sofia Essaïdi, Amir, Catherine Ringer, Bilal Hassani, Jenifer, Vincent Niclo, Isabelle Boulay, Muriel Robin, Line Renaud…