It's--I'm sure that Louis Armstrong would read some music, but again it would just get in the way of what he's doing.

我想路易斯·阿姆斯特可能会看一点,但那同时也可能妨碍他的演奏

耶鲁公开课 - 聆听音乐课程节选

We have the convention of music of writing this symbol indicating the beat-carrying unit of four so I'm writing a four underneath each of these.

我们有一个约定俗成的书写格式,来表示四拍一单元,所以我在每行这里的下面写上一个四

耶鲁公开课 - 聆听音乐课程节选