At the same time a lot of skilled musicians gathered at the court, where musicians of specialized music agencies recorded music and dance performing in the imperial palace. 同时在宫廷中聚集了很多技艺高超的音乐家,并且有专门的音乐机构及专门的音乐家来记载宫廷演出的乐舞及其它情况。
For example, Poem Prefaces especially emphasize the relationship between musical dance and times of peace or turbulence, consciously complement some ancient musical songs, record the palace and folk musical dance skills and actors, preserve some vivid alien musical dance materials, and so on. 如诗序特别强调了乐舞与治乱的关系,有意识的补亡了部分古乐歌,记载了宫廷和民间的乐舞技艺和乐舞艺人,保存了一些鲜活的异域乐舞资料等等。