They can push down the thirteenth partial and bring up the fifteenth and thereby change the sound of a clarinet into a French horn.

压低第十三分音,或者提高第十五分音,从而将单簧管的声音变成圆号的

耶鲁公开课 - 聆听音乐课程节选

not to mention ten and fifteen.

别提十年或者十五年聚会了。

普林斯顿公开课 - 人性课程节选