In Song of the Pipa, poet Bai Juyi (772-846), expresses his deep memories of the cuckoo weeping like a wandering ghost. This disgruntled sub-prefect of Jiangzhou, whose "tears wet his gown," asks himself just what it was he used to hear at dawn and at dusk around Penjiang in Jiangxi?
「琵琶行」裡，淚濕衣衫的江州司馬白居易，就對杜鵑遊魂般的啼哭記憶深刻，他自問在江西湓江，早晚到底聽到什麼？「其間旦暮聞何物？