I am mortified
that Jay Chou has not been mentioned yet. An excellent composer, and he formed a pretty unbeatable duo with his lyricist Vincent Fang ...
菊花台 ／ Chrysanthemum Terrace: one of his best 中國風 songs, IMO. https://www.youtube.com/watch?v=PdjbRvvJAzg
髮如雪 ／ Hair Like Snow: actually, pretty much all of his 中國風 songs (especially those from his earlier albums) are top-notch ... https://www.youtube.com/watch?v=aaM7qG2ycjk
Jay Chou aside, I've also had this song playing non-stop for a while now. G.E.M. is what they describe in Hong Kong as 實力派 — members of the music industry who actually sell some form of singing talent rather than just looking good. Yes, the music industry in Hong Kong is actually kind of sad.