弟兄们，我愿意提醒你们，我们的祖先都曾在云柱下，都从海中走过。

For I would not have you ignorant, brethren, that our fathers were all under the cloud, and all passed through the sea.

youdao

Well, for the answer to that we have to go back to ancient Greek music theory, and when you read about this--it's really turgid stuff-- but believe it or not, I teach a course on this at the graduate level.

这个,要回答那个问题,恐怕要追溯到古希腊的音乐理论,每次读这些都会云山雾罩的,不管你信不信,我曾在研究生中开过这个课程

耶鲁公开课 - 聆听音乐课程节选