《明史·志·卷三十七》
所说的降神之乐，冬至日祭祀天神于圜丘，便以圜钟为宫，黄钟为角，太蔟为征，姑洗为羽，这三者阳律相继。
所谓降神之乐者，冬至祀天圜丘，则以圜钟为宫，黄钟为角，太簇为徵，姑洗为羽，是三者阳律相继。
The so-called "Dew Spirit Music" is to worship the God of Heaven on the day of the winter solstice at the circular hill, using the circular bell as the palace, the yellow bell as the angle, the Tai Mu as the zheng, and the Gu Xi as the feather, the last three of which are in continuous positive rhythm.