It's called "The Noble Writer and the Sound of Words".

题为《作家的高贵和文字的音乐》

普林斯顿公开课 - 人性课程节选

We've got text in pop music that tells us what this music means.

流行音乐能用文字告诉我们它的意义。

耶鲁公开课 - 聆听音乐课程节选

It gives a sense of what this music is all--really all about and since, as we were saying, so much classical music doesn't have a text with it we've got to have some markers in there to know what the composer is trying to communicate to us.

让我们了解这段音乐想表达什么，就像我说的，大部分古典音乐并没有文字注解，而我们需要一些标记,来告诉我们作曲家想用这段音乐告诉我们什么。

耶鲁公开课 - 聆听音乐课程节选