Gojira and Viotti played “Mea Culpa (Ah! Ça ira!)” at Back to the Beginning, the final performance of both Black Sabbath and Ozzy Osbourne. Sadly, less than three weeks after the epic showcase, Osbourne suffered a fatal heart attack. And the news of Ozzy’s death hit Duplantier hard—especially since he was onstage when he found out.