Why did Yanyu sing Yangzhou suddenly become popular?

Yanyu sang Yangzhou suddenly, which was caused by the audience's emotional singing. According to relevant public information, the sudden popularity of Yu Yan's singing Yangzhou was caused by the emotional singing, beautiful editing and beautiful theme song of the audience. "Misty Rain Singing Yangzhou" is the ending song of the TV series "Married the Wrong Sedan" sung by singer Li Shu.