Well, the Bucks could have created it before, and Oz could've not known about it. I mean, that happens alot, like when Jay Sankey was PO'ed at D+M for having a few of his effects the same, and even at the Saturday Night Contest a few weeks ago, there was a 4-Ace production that has been taught in a DVD and created by 2 other individuals entered, and the enter-er (spelling/grammar?) had no idea.