《宋书·志·卷十一》
从中吕向上生成执始，执始向下又生成去灭，最后直到南事终止，也就有了完整的六十律。
中吕上生执始，执始下生去灭，终于南事，而六十律毕矣。
From Zhonglu up to the generation of Zhi Shi. From the Zhi Shi down to the generation of Qu Mie. Finally, until the ending of Nan Shi, then there is the complete sixty lü.