Johanna Maria Lind inspired what 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. The Nightingale (fairy tale):  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". Jenny Lind: Johanna Maria Lind (6 October 18202 November 1887), better known as Jenny Lind, was a Swedish opera singer, often known as the "Swedish Nightingale".
The Nightingale