'Frozen' Songwriters Reveal Hit Song's Inspiration

Bobby Lopez and Kristen Anderson-Lopez say "Let It Go" is about how people fear their hidden power.
3:00 | 02/27/14

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Transcript for 'Frozen' Songwriters Reveal Hit Song's Inspiration
If you have a child under age, say, 12, there's a likelihood you've heard the song "Let it go." Tonight you'll meet the married couple responsible for this unescapable utterly viral phenomenon. And your died is davguide is David Wright who's here for "Oscar confidential." ♪ Don't let them know ♪ School is out and we're on our way to see "Frozen." ♪ Let it go let it go ♪ ♪ can't hold me back anymore. My three daughters plus two of their school friends have already seen it three times already. And they know every word by heart. I can't take it anymore! Reporter: Across America, millions of parents can relate. Kids of a certain age all seem to be letting it go. ♪ Let it go ♪ ♪ let it go ♪ Reporter: Belting out this Oscar nominated song. ♪ Let the storm rage on ♪ ♪ the cold never bothered me any way ♪ Reporter: It's only in the past 24 hours that the full movie has been available for digital down load at home. So all of this is from the movie clips and from youtube. ♪ Let it go ♪ ♪ let it go ♪ Online the official Disney version has more than 112 million views. Plenty of amateur views including these twins have gone viral, too. It seems like it's the first viral video for the kindergarten set. This is the couple most to blame. Husband and wife song writers bobby Lopez and Christian anderson-lopez composed the music, including "Let it go." We're a break into song family. This is how we are. Reporter: They're nominated for an Oscar for the best song competing for the looks of Bono and Ferrell. We got to meet Bono. We just felt like two people from Branson that wandered into the photo. ♪ Conceal don't feel ♪ Reporter: The song is so catchy you can't help but sing along. Disney even released a sing along version of the movie in theatres. And today, the good morning America family joined the chorus. ♪ Let it go ♪ ♪ let it go ♪ ♪ I am one with ♪ ♪ the wind and sky ♪ ♪ let it go ♪ Reporter: And this is not just an American phenom. On youtube, you'll find a an africanized version. The full movie going out in 41 languages. Already Disney has posted a multilanguage version in which queen Elsa seemlessly switches 25 times [ singing in different language ] Go! Go! Worldwide, "Frozen's" box office is nearing $25 million. On spotify, "Let it go" has been a massive hit, streamed more than 25 million times. The voice behind the song, Broadway star Adena manzel. I relate to being a woman or a girl and having power and not knowing what to do with it. Demi lovano also recorded a version of the song. I have video sent from friends with mine with their little girls. And my son for instance sings let it go back to me in the bathtub. Reporter: You may not know it but the script of the movie actually grew out of her theme song. She was the villain in the script. And once we wrote that song, everyone started thinking about her differently. Suddenly we found that we had a very sympathetic, very useful truth about how we all kind of keep our power hidden and we fear it. Suddenly it was no longer a classic battle between good and evil, but a more modern fight between hope and fear. Sorcery. Reporter: Not to mention the triumph of of the sister hood. Whey love about the movie as the father of daughters is the idea that the handsome prince

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