And let's work--we'll hear that again, but as you can see and then hold on that and then the changes came a little bit faster and faster.

我们开始吧，然后就可以再次听到了，不过就像大家可以看到，然后继续保持到,再开始有变化，变得越来越快。

耶鲁公开课 - 聆听音乐课程节选