Elsa (Frozen) of the song "Let It Go", with critics frequently calling her a "powerhouse". Attempts were made as early as 1937 by Walt Disney to adapt Hans Christian Andersen's fairy tale, "The Snow Queen", into a film. The tale focuses on two children, one named Gerda, who served as the basis for Princess Anna, and the other named Kai, who is "cursed with negativity" after his heart is pierced with a shard of glass from an enchanted mirror and is later kidnapped by the Snow Queen. However, Disney struggled with creating a believable, multi-dimensional adaption of the fairy tale's title character,
The Nightingale (fairy tale) The Nightingale (fairy tale) "The Nightingale" (Danish: "Nattergalen") is a literary fairy tale written by Danish author Hans Christian Andersen about an emperor who prefers the tinkling of a bejeweled mechanical bird to the song of a real nightingale. When the Emperor is near death, the nightingale's song restores his health. Well received upon its publication in Copenhagen in 1843 in "New Fairy Tales", the tale is believed to have been inspired by the author's unrequited love for opera singer Jenny Lind, the "Swedish nightingale". The story has been adapted to opera, ballet, musical play, television drama and animated film.