<Tr> <Td>--Kristen Anderson - Lopez on writing Elsa's song, "Let It Go", and the choice to make her a protagonist rather than a villain . </Td> </Tr> <P> The scene was also a pivotal point in the development of Elsa's character and was initially planned to depict her becoming evil . Robert Lopez, who composed the song with his wife, Kristen Anderson - Lopez, explained, "Elsa was going to go from being this perfect princess that had tried to keep her personality down her whole life to saying,' Screw it . I'm gonna be me ."' They had wanted to use the song as a way to gain a better understanding of the character and what she would be like if she was no longer living in fear, which ultimately resulted in her becoming much more complex . The final lyrics and Menzel's "ability to be so fragile and vulnerable and then break into this powerhouse voice" turned the plot around and led to Elsa being revised as a "good" character . She initially attempts to suppress her powers in order to avoid hurting others, particularly Anna, and when she is no longer able to do so, she banishes herself from the kingdom to protect those around her . Lead writer Paul Briggs said that Anna's support is what Elsa needs most when her secret is exposed . "The strength of the family bond is what makes this story so powerful," he explained, "because it's her sibling who's willing to look beyond her powers and stand between her and the world if that's what it takes ." </P> <P> Elsa's appearance had to be redesigned following her transition from antagonist to protagonist . She was originally drawn in a style similar to other Disney villains, with blue skin and spiky black hair . A few months after the film's release, visual development artist Claire Keane (the daughter of Disney Legend Glen Keane) published early concept art of Elsa that was modeled after the singer Amy Winehouse . At the time, she was imagined as having blue "bouffant" hair as well as "a deep, soulful voice and dramatic mood swings". Lasseter reportedly influenced the creation of the character's much softer final appearance, particularly in regards to her very thick platinum blonde hair, which animators found difficult to design . Art director Michael Giaimo said that while a number of strategies were proposed for Elsa's hair, Lasseter would push the animation team to continue making improvements, saying, "It's not aspirational enough . We want people to feel like this hair is a beautiful statement ." During a research trip, producers found that "there are lots of braids" worn by women in Norway; they then hired a stylist from New York named "Danilo" who helped to create a style that would reflect that while still being "a little different". A new animation program called Tonic was invented to assist with the task, and the character's hair ultimately required 420,000 CGI threads . By contrast, Anna was given roughly 140,000 hairs while Rapunzel from Tangled had only required 27,000 CGI threads for her hair . </P> <P> Since Elsa is introduced as a young child at the beginning of the film, animators wanted the first glimpse of her powers to reflect her innocent and fanciful state of mind at the time . This included giving her first snowflakes a simple design . Her snow and ice patterns later become more intricate and complex when she is an adult . Co-effects supervisor Marlon West elaborated, "When Elsa finally lets go and really starts owning her cryokinetic abilities, we wanted the ice and snow that she make to get across the idea that Elsa has now grown up and become this beautiful, elegant, confident and powerful young woman ." </P>

What color was elsa's hair supposed to be