This song plays in the original Mandarin version of the movie and was composed by Wang Fu Ling. I just do not know how to obtain a full version of it.
it's in this video (starting at 41 seconds ending at 1 minutes and four seconds)
https://m.youtube.com/watch?v=oidcvWKj06o
it's in this video (starting at 41 seconds ending at 1 minutes and four seconds)
https://m.youtube.com/watch?v=oidcvWKj06o