我们来听一下，我们要做的第一件是是锁定主音。

So the first thing we got to do is sort of lock on to the tonic.

youdao

The fifth degree of the scale after the tonic is the next most important and it's called the dominant note.

主音后面的区域中五度,是下一个重要的概念,它被称为属音

耶鲁公开课 - 聆听音乐课程节选

Here's something else and I guess it's a quiz question I think I'm asking you there, and it has to do about a home pitch.

有些我们小测验里的问题要注意下,我想问问你们,关于主音高的问题

耶鲁公开课 - 聆听音乐课程节选