There's a great series on Netflix right now called "Heartbeat" or "Poisened Heart" or something (depends on language), and it's a grizzly drama about murder, Organ harvesting, and a web of underworld seediness, revenge, wrath, high stakes drama etc...

It's opening theme song is some weak ass "everybody needs good Neighhhbours" type thing that makes no sense whatsoever tonally to the show.

But, but.... the contrast of the theme song to the show content is so large that it actually makes the show's drama look good.