You can do it on other instruments but on a string instrument it's the difference.

很多乐器都能奏出颤音,但弦乐器上　这种揉弦产生的颤音是不一样的

耶鲁公开课 - 聆听音乐课程节选

Let's go on now to talk about instruments and how instruments produce sound.

接下来我们聊聊乐器,乐器是怎样发声的

耶鲁公开课 - 聆听音乐课程节选

So there are all sorts of different little technique things you can do to create different colors and sounds on all string instruments, so this applies to any of them.

在所有弦乐器中,都能用很多小技巧,来制造不同的音色和音质,这些技巧对任何弦乐器都适用

耶鲁公开课 - 聆听音乐课程节选

What we've got here is the following, this idea of partials that Eva was talking about with ratios, two to one, three to two, four to three, five to four, six to five and so on, and the point here is that the way we differentiate between instruments.

接下来,我们要讲的是,伊娃刚谈到的泛音的高低比率,二比一,三比二,四比三,五比四,六比五,等等,这里我要讲的是,我们区分乐器的方式

耶鲁公开课 - 聆听音乐课程节选