But it doesn't. We have a problem. We can focus on addressing the problem without pre-adjudicating every hypothetical corner case.

If your "work" is mostly AI, and if you don't disclose it, it goes to /dev/null. And yeah, you can get into a debate that it's unfair to reject 51% but allow 49%, but that's how the real world works - otherwise, nothing would ever get done. You also get a DUI for BAC of 0.08% but not 0.07%. That's not an argument for putting DUI laws on hold until we can figure out a more perfect approach.

What is “mostly” AI in the context of music?