On July 5, heavy metal fans gathered in Birmingham, UK, for the farewell concert of Ozzy Osbourne and Black Sabbath. Entitled "Back To The Beginning", this musical event brought together several of the metal scene's leading bands and artists, including Metallica, Slayer, Pantera and Guns N' Roses. On July 18, Mercury Studios announced that this memorable concert would be the subject of a film to be shown in cinemas in early 2026. We tell you all about it.