You don't have to read the notes cause you've got the sound in your ears, part of your aural memory.

你不用去看音符,因为你头脑里已经有了声音,这是你听觉记忆的一部分

耶鲁公开课 - 聆听音乐课程节选

So the point of this is: once you get these kind of progressions locked in your ears, you go to a concert and you can begin to chart what the piece is doing in terms of its harmony.

这里的重点是，一旦你的耳朵牢牢记住了这些进程，你去听音乐会的时候就能开始分析一部作品的和声了。

耶鲁公开课 - 聆听音乐课程节选