Ken MacLeod‘s novel Newton’s Wake features a character living on a distant world in a post-Singularity future who writes operas based on badly remembered and misunderstood history. This gives us classics like The Tragedy of Leonid Brezhnev with gun-toting communist leaders denouncing each other as revisionists in song.
It only comes to mind because Conservative Home seem to be pitching a similar idea, perhaps as a dramatic counterpoint from the same era:
In the Falklands Margaret Thatcher led our armed forces to a great victory.
I’m thinking it’d have to be in a pseudo-Wagnerian style to really work and depicting the scene where she storms the beaches at the head of the Task Force will prove a tough job for the director and set designer, but it is opera, and no one really goes there expecting too much realism.