The Musician at the Dragon Citadel (Vietnamese: Long thành cầm giả ca) is a 2010 Vietnamese film based on Nguyễn Du's poem, Long thành cầm giả ca, for the Millennial Anniversary of Hanoi[1] directed by Đào Bá Sơn.
One day, a rebellion broke out and caused Cầm to leave Thăng Long (Hanoi).
The poet Tố Như (Nguyễn Du) meets Cầm and they fall in love.
Many years later, the two meet when they are both old, feeling sorry, he writes a poem (Long thành cầm giả ca) for her, and she jumps into a well (commits suicide).
The movie ends with the narrator saying that on nights when the moonlight shines, people can hear mysterious sounds of a musical instrument coming from the well[3] The movie itself is based on Nguyễn Du's poem, Long thành cầm giả ca, where he writes about a beautiful female musician who lives in the Dragon Citadel (Long thành; Hanoi).