French rap song ‘The Keeper of Lost Causes’

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This just shows I have too much time on my hands, but I watched ‘The Keeper of Lost Causes’ (2013) yesterday (meh), and around 9.33 the protagonist walks into the basement where their new Department Q office will be and his partner is blasting French rap. I couldn’t find the song in any soundtrack listings and Shazam doesn’t seem to pick it up. Any thoughts anyone?