《晋书·志·第六章》
皇帝的诏书说： 严崇的儿子如确实知晓音律，分辨它们的类别，调协它们的音高，应予测试。
诏曰： 崇子学审晓律，别其族，协其声者，审试。
The emperor's edict says: If Yan Chong's son does indeed know the pitches of music, distinguish their categories, and adjust their pitches, he should be tested.