Sometimes the music is itself parodied, and performed using an accordian or some other unique instrument. For this conversation, that is completely irrelevant

Sometimes the music is itself parodied, and performed using an accordian or some other unique instrument. For this conversation, that is completely irrelevant and he still has to pay royalties to the original composer. Furthermore, while Weird Al does have many completely original songs, looking at his streaming numbers that isn't what most people seem to listen to. The fact that he is both very talented and very creative is both true and irrelevant.