If you've ever visited parts of Indonesia--which I have not— and if you've ever visited parts of China--which I have not— I am told that you will hear this kind of music.

有人去过印尼么,我没有,有人去过中国吗,我还是没有,据说在那里会听到这种音乐

耶鲁公开课 - 聆听音乐课程节选

And every musical culture around the world-- and I've talked with ethnomusicologists about this particular point-- every musical culture around the world, Chinese, Japanese, Indonesian, Indian, African whatever, they all use this phenomenon of octave duplication in their music-- octave duplication in the music.

世界各地的每一种音乐文化,我曾经和一些民族音乐学家谈论过这一点,世界各地的每一种音乐文化,中国的,日本的,印尼的,印度的,或是非洲的,大家都有这种现象,即在自己的音乐里运用,这种重复八度

耶鲁公开课 - 聆听音乐课程节选