For about five years there’s been a steady stream of infringement cases in the world of pop music. We’ve seen Katy Perry, Robin Thicke, Justin Timberlake, Lizzo, Juice WRLD, Carrie Underwood, Justin Bieber, Ed Sheeran (repeatedly), Taylor Swift, Miley Cyrus, and Childish Gambino, off the top of my head, all in the news facing infringement …