Bai Juyi
The famed Tang poet Bai Juyi (白居易) once penned a poem about the "ruan", entitled "Having a Little Drink and Listening to the Ruanxian with the Deputy Minister of Linghu" 《和令狐仆射小饮听阮咸》 (He Linghu Puye Xiao Yin Ting Ruanxian):