The Real Meaning Behind Frozen 2's Theme Song 'Into The Unknown' -- REVEALED! "Frozen 2" continues to be a mysterious movie, especially with its theme song "Into The Unkown."
Idina Menzel Thinks 'Frozen 2' Is Better Than The First Film -- Here's Why Queen Elsa likes the second installment of the "Frozen" franchise more, and for a good reason.
