Premise: "Lyra" is a song written, produced, and performed by British recording artist Kate Bush, from the 2007 soundtrack album "The Golden Compass" from the film of the same name. It is used in the closing credits of the film. Bush was commissioned to write the song, with the request that it make reference to the lead character, Lyra Belacqua.
Hypothesis: Kate bush writes songs in the early 2000's