already disney has posted a multilanguage version in which queen elsa seemlessly switches 25 time s [ $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 movi