Elsa Keslassy International CorrespondentUniversal Music France and Mediawan’s Method Animation (“The Little Prince,” “Miraculous”) are joining forces on “Jam,” a animated music anthology which will showcase the greatest talents in both music and animation.Co-developed with Universal Music France’s original contents department, the 15-part series will be directed by Michael Gracey, the revered helmer of “The Greatest Showman,” and is being created by Method Animation’s roster of talent,