They,of course, brought their string instruments and their music and their dancing."

VOA: standard.2010.05.28

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

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