And Walter Cronkite, in measured tones, informed us that yes it was.

VOA: special.2009.08.16

And here it's all just tonic, just the basic primordial note upon which all these other tones are built.

在这里,最原始,最基本的音符,其它音符都基于基音而生

耶鲁公开课 - 聆听音乐课程节选

Melodies that are just running up and down a scale-- neighboring tones.

级进旋律是指在整个音阶的,相邻音符上跑动的旋律

耶鲁公开课 - 聆听音乐课程节选

Okay, so we've got across the idea of tonics and leading tones.

好了,我们了解了主音和导音的概念

耶鲁公开课 - 聆听音乐课程节选