There is an episode in Strange Tales from a Chinese Studio, which is purely musical. The tune is a bit like "Twilight" by Zhou Chuanxiong.

QQ Music searches for "Strange Stories from a Chinese Studio & Strange Women from a Chinese Studio", and then this one

If not this, it must be this one, QQ Music searches for "Qin and Xiao Ensemble (Strange Women from a Chinese Studio)" )》

They are all by Mai Zhenhong, super nice pure music. When I listen to it, I feel a tingling and warm feeling, and there is also a trace of sadness