The melody of this song was composed by Anita Mui then Japanese boyfriend. The lyric for this song has two versions.
The other version was sang by Priscilla Chan 陳慧嫻 - 千千闋歌, which has a higher popularity than this song.
Eventually Leslie Cheung had sang the second version in one of his concert back in the late 80’s or early 90’s.
I like Priscilla Chan also.