《魏书·列传·卷三十六》
现在各个王室每当娶妇人，都让乐部派人来舞奏表演，却惟独禁止百姓作乐，这是第一个不同啊。
今诸王纳室，皆乐部给伎以为嬉戏，而独禁细民，不得作乐，此一异也。
Now, whenever the royal family marries a woman, they send people from the music club to perform, but the common people are forbidden from performing music. This is the first difference.