We know what you're thinking, how could they cover every cartoon theme song that matters?
Well, you be the judge. These talented musicians from Ensemble ACJW, a Carnegie Hall young professionals' collective, dish out a 43-theme song mashup, and they even toss in some animated clues to hint at which show they're performing. If you get stuck, don't worry: there's a list of each theme song performed in the video description.
How many can you guess without looking? Were there any cartoons you wish they covered but they didn't? Let us know!