'Star Wars' fans think they've found a secret about Rey's identity hidden in the music for 'The Force Awakens'

Lucasfilm Warning: There are spoilers for "Star Wars: The Force Awakens!" below. "The Force Awakens" left us with a lot of questions about Rey and her mysterious past. Who are her parents? Is she really Luke's daughter? Attentive "Star Wars" fans on Youtube and Reddit may have found a clue about Rey's mysterious past in her musical theme to connect her to both Darth Vader and Luke Skywalker. First, here's "Rey's Theme" as it appears in "The Force Awakens." Pay attention to the 2:30 to 2:40 ma...