Just to share with you guys: A Chinese electronic musician, Wang Lifu, who's also the novel's fan created a lot of works around the story. You can listen online for free in his XiaMi channel below:

(1) Three Body OST: https://www.xiami.com/album/372239388?spm=a1z1s.6639561.471966069.58.xJtIfG

This is the earliest album, created when he was reading the trilogy. It has mainly simple motifs, most are demo, with several complete tracks.

(2) Live Broadcast Vol. 1: Three Body in Sound: https://www.xiami.com/album/2102716626?spm=a1z1s.6639561.471966069.50.XeBNXB

Ambient electronic music, themed with plot from all 3 books. It was first streamed alive by Lifu in his Zhihu Live.

(3) The Dark Forest Suite Op. 01: https://www.xiami.com/album/2103545691?spm=a1z1s.6639561.471966069.10.XeBNXB

Themed with plot from the 2nd book, Dark Forest.

(4) Three Body OST: Beihai (Northern Sea): https://www.xiami.com/album/2103491639?spm=a1z1s.6639561.471966069.18.XeBNXB

An album themed with Zhang Beihai.

Also, Lifu created an album for a theater show based on Liu Cixin's another short story 朝闻道:

https://www.xiami.com/album/2102659348?spm=a1z1s.6639561.471966069.50.Pk3fJX

It has not been translated to English yet. The title is from Confucius' words: “朝闻道，夕死可矣。” (If a man in the morning hear the right way, he may die in the evening without regret.)