The duet speaks of the infinite but tragic love between Chang'e and Houyi, that are based upon the Chinese fantasy on the moon goddess, upon which the film is based on. Amongst many artists who have recorded variations of "Always and Forever" will be the American R&B vocal team Whistle, https://alwaysandforever83727.bloggazzo.com/36052906/the-best-side-of-always-and-forever