Alison Sudol, known for both her acting and songwriting, collaborated with J.K. Rowling to create the Ilvermorny school song. This musical piece, though not included in the final cut of "Fantastic Beasts and Where to Find Them," was unveiled during a Harry Potter celebration in Orlando. The creative process involved Alison composing the melody, while J.K. Rowling penned the lyrics. "I...