The duet speaks of the infinite but tragic adore among Chang'e and Houyi, that are based upon the Chinese fantasy of the moon goddess, upon which the film is based on. Watching it reminded me from the scene in Singing within the Rain, in which the audience is in uproar https://eduardowpgwo.blogdosaga.com/37008150/an-unbiased-view-of-always-and-forever-mine