Well, we have a particular recipe for instrumental timbre or instrumental color and it's the intensity of the overtones with -- or partials-- within each particular instrument that creates that.

我们乐器的音质,或者说音色,也有独有的配方,那就是每种乐器营造的,分音,或泛音的强度

耶鲁公开课 - 聆听音乐课程节选