So, I think if we said we've got melody, we've got theme, we've got bass, we've got a bunch of other stuff in the middle, that's just fine and dandy.

那么,如果说我们听到了旋律,听到主题,听到低音部,听到中间有一堆别的东西,就算令人满意了

耶鲁公开课 - 聆听音乐课程节选

Here for example we have the pitch C and either note above or below it is dissonant.

如果说这里用C音，那么不管是和它上面还是下面的音符搭配都不和谐。

耶鲁公开课 - 聆听音乐课程节选