今生如夢 (Gam1 Sang1 Jyu4 Mung6)

Background
This story is set in the Republic of China period where Tianyi is the lead in a large Shanghai dance hall, and because the war came to Guangzhou, she met once more with Ah Ling at the Whampoa Military Academy.

This song is included on the album Sānyuè Yǔ and has reached over 100,000+ views on bilibili.