"You're getting 10%." Ten percent of what? This is the question that breaks most revenue-sharing arrangements. Not because anyone is dishonest, but because a percentage without a defined base is not a number. It is a shape. And shapes don't pay rent. The Problem Every revenue split you've ever seen looks simple on paper: Artist gets 18%. Producer gets 3 points. Platform takes 5%. But run the math and the ambiguity explodes. Here is a real scenario from music, but ...