Grimes：Meaning of Feyd Rautha Dark Heart Songmeaning

The song "Feyd Rautha Dark Heart" by Grimes is not an officially released song and is not widely available for interpretation. Therefore, it is difficult to provide an accurate explanation of its meaning or story. It is worth noting that Grimes often incorporates abstract and poetic elements into her music, which can make the interpretation subjective and open to individual perception. Without further context or information from the artist, it is challenging to provide a definitive explanation for the lyrics of this unreleased track.