If you can find it, it is recommended to match it with "Eighteen Beats of Hujia", which can be modified appropriately so that its rhythm can match that of "Mulan Ci".
1. The narrative themes are similar. The theme of "Eighteen Beats of Hujia" is Wenji's return to the Han Dynasty, describing the ardent mood of the children of her hometown who are far away from home and longing to return to their motherland. "Mulan Ci" is about the nostalgia and nostalgia of a daughter who has served in the army for her father for many years and misses her relatives in her hometown. Both depict the unusual heroic spirit of a woman with red makeup.
2. The style and background are commensurate. "Eighteen Beats of Hujia" is a famous ancient Yuefu song that has been performed by various instruments. Although it is well-known, it is by no means a high-profile piece. It complements "Mulan Ci", which originated from the folk songs of the Northern Dynasties after the Jin Dynasty. Moreover, the two works were created at a similar time and have many similarities. If the former is used as the background score of "Mulan Ci", I personally recommend using Xun performance. It must sound like a majestic sound under the sadness, which is consistent with the narrative background of Mulan Ci.