A Black Eyed Peas song is at the center of a lawsuit filed against the makers of a pooping unicorn doll for copyright infringement. There’s a lot packed into that sentence, so let’s break it down.

BMG Rights Management, the label behind The Black Eyed Peas‘ second-stage career explosion and owner of much of the group’s publishing, is suing MGA Entertainment, the company behind the Bratz dolls, ...