Bai Juyi,
The Song of Everlasting Regret
“ Later, it came to refer generically to any capital.↑ Tàizhēn was Yang Guifei's style name↑ In Daoist lore, Xiǎoyù and Shuāngchéng were the names of two female celestial beings. Here, the author turns them into the maid servants of Yang Guifei after she became a celestial being herself.↑ In other words, an emissary of the Emperor Xuanzong of Tang↑ A reference back to the earlier stanza, "The sound of the war drums from Yuyang began to shake the earth, And broke the spell of the Song of rainbow skirts and feather robes." ”
