We've been talking about this overtone series with zarathustra.

我们已经探讨过查拉图斯特拉的泛音列

耶鲁公开课 - 聆听音乐课程节选

Okay. Now Eva has another gig out in Gilford this morning so she's going to run off, and I'm going to show you, maybe, if we can get our slides up, this overtone series stuff.

伊娃今早在吉尔福特还有其他表演,所以她得告辞了,现在,要是我的幻灯片能用的话,我要用幻灯片为你们演示,这些有泛音列的乐器

耶鲁公开课 - 聆听音乐课程节选

Eva played this overtone series.

伊娃演奏过的泛音列

耶鲁公开课 - 聆听音乐课程节选