《晋书·志·第十章》
穆帝永和年间，因为中原陵墓没有修复，连年元旦朝会群臣都取消乐舞。
穆帝永和中，为中原山陵未修复，频年元会废乐。
During the Yonghe period of Emperor Mu, music and dance for the courtiers were also canceled on New Year's Day in successive years because the mausoleums in the Central Plains were not repaired.