The duet speaks in the infinite but tragic love involving Chang'e and Houyi, who're according to the Chinese myth with the moon goddess, upon which the movie relies on. Viewing it jogged my memory from the scene in Singing during the Rain, in which the viewers is in uproar on https://alwaysandforevermine33834.timeblog.net/72840496/always-and-forever-things-to-know-before-you-buy