Why,when dealing with harmony and bass lines, do I want to start by focusing on popular music and then apply those principles to classical music?

为什么在处理和音和低音线时，我是否需要注重流行音乐然后将这些原则应用到古典乐上？

耶鲁公开课 - 聆听音乐课程节选

They tend to be just triads whereas in classical music we can have a triad but we can also add a seventh note with one,three,five,seven,nine,eleven, that kind of thing.

流行乐一般只用三和弦，但是古典乐可以用三和弦,也可以在上面加上七音，一，三，五，七，九，十一，诸如此类的。

耶鲁公开课 - 聆听音乐课程节选