Another interpretation for the song and the movie is that they promote self-affirmation for people on the autism spectrum . Co-writer Kristen Andersen-Lopez has stated that her younger brother has autistic traits and that inspired the song insofar as it deals with the concept of having a " special sibling . " " Let It Go " won the Academy Award for Best Original Song at the 86th Academy Awards , where a shortened rendition of the show-tune version was performed live by Menzel ; with the award , Robert Lopez became the 12th person , and by far the quickest ( 10 years ) , to win an Emmy , Grammy , Oscar , and Tony
86th Academy Awards
86th Academy Awards
Let It Go (Disney song)