Is the song "fallen immortals" an ancient poem?

No, this song is adapted from an ancient poem by the singer Ye Li. Not pure ancient poetry. Lyrics, composition, arrangement by Liu, listening by Igsey and singing by Ye Li. Included in the album of the same name "Chen Xian" released on February 8, 2020. Ancient poetry, that is, China's ancient poetry, refers to 1840 China's poems before the Opium War, which were originally written by ancient people.