In the 40s, Bai Guang, Li Xianglan (Yoshiko Yamaguchi), and Wu Yingyin also became popular, and these seven were grouped as the seven great singing stars of the period.
During World War II, Bai Guang, Li Xianglan (Yoshiko Yamaguchi), and Wu Yingyin became well-known, and they were collectively regarded as the seven most influential vocalists of their era.