《明史·志·卷三十七》
进献第七巡爵，演奏《长杨之曲》，进献酒如同前面叙述的仪节。
第七爵，奏《长杨之曲》，进酒如前仪。
The seventh round of toasts was offered, and "The Song of Changyang" was performed. Serving wine followed the same procedure as mentioned before.