> Oh help me! Oh, help me! My life is in danger!
> The venomous monster is drawing upon me
> And I can’t escape him.
> How near is his bite,
> With teeth sharp and white!
> Oh gods above!
> Why can’t you hear my mortal cry?
> Destroy the beast or I will die!
> Or surely, I will die!
The opening lines to The Magic Flute (which continues in a similarly expository tone for the duration). Seems like there have always been scripts which were easy to understand while also staring at your phone, though that doesn't stop the ushers at English National Opera getting narky at you if you try!