Yes,it was a clarinet up there,nice and high, and then another instrument came in with What instrument was that?

对，嘹亮的高音确实来自单簧管，紧接着另一个乐器加入了演奏,这是什么乐器？

耶鲁公开课 - 聆听音乐课程节选

And the first question I think that you have on the quiz here is the following: what keyboard instrument is playing here?

这里有个小测验,第一个问题是,这段音乐是用什么键盘乐器演奏的

耶鲁公开课 - 聆听音乐课程节选

We have these pitches and all listen and then you can tell me what instrument is playing it.

我们听到这样的高音,大家都来听听看然后告诉我这是什么乐器演奏出来的。

耶鲁公开课 - 聆听音乐课程节选

In other words, what--or the woodwinds-- what family of instruments is playing here and is Tchaikovsky using a motive or is he using a theme at the very beginning of this concerto?

或者是木管乐器,换句话说,这里演奏的是什么乐器,还有柴可夫斯基在这首协奏曲的开始部分,运用了动机还是主题

耶鲁公开课 - 聆听音乐课程节选