> any plagiarist with a camera can record a convincing sequence of iterations leading up to your brilliant riff and successfully sue you into oblivion. Except

> any plagiarist with a camera can record a convincing sequence of iterations leading up to your brilliant riff and successfully sue you into oblivion. Except 1) The lawsuit failed. 2) It's not enough to show prior art. Ignorance of the other creation is a defense against copyright infringement. 3) Iterations are irrelevant. > it doesn’t matter if you can improvise a great melody in the moment out of nothing No one can. All great musicians are inspired by earlier performances.