If this was a psa about not spreading germs, which phrase would make the best slogan?

To prove how easily someone can spread germs from not washing his or her hands, people start to whistle “In the Hall of the Mountain King” once they have germs on their hands. Soon enough, an entire city is whistling. It’s likely a nod to the classic German thriller M in which a child killer starts to whistle the eerie tune when hit with the urge to kill a child. Given just how many people are whistling here, it seems we’re all potentially about to commit murder with our dirty, germy hands.

it ends with a marriage, but also with prospero giving up his power.

the tempest is a play written by william shakespeare between 1610-1611, it narrates the story of prospero a magician that sets a storm to wreck a ship, this sets the story to kill the king of naples. while it is a romantic style play, it isn´t traditional because of the ending, it end with the marriage and the magician giving up his powers.

it was a big part of the story, making a lot of plot points happen?