HONG KONG — The 65-year-old woman crouches in a field and holds up a head of cabbage. Behind her, two friends sway back and forth, cucumber and radish in their hands. “This rotten cabbage, let’s pull it out, eat it, achieve some foodie freedom,” Guo Yifen, the woman with the cabbage, raps in a low and creaky voice in the song “Spicy Hot Pot Real Rap.”The trio, known as Sister Wang Is Coming, is known for sharing playful videos on Douyin, the Chinese version of TikTok. Ms. Guo and her musical partners, Wang Shuping, 64, and Wang Xiurong, 66, have more than half a million followers who watch their food-related music videos, featuring jams like “Fried Mushro …
