CD If you put on a CD, we could have-- what's the timing on the Justin Timberlake thing there or any one of the tracks?

如果你放一张，这张贾斯汀时长多少，里面任何一首歌呢？

耶鲁公开课 - 聆听音乐课程节选

Here is another example: Justin Timberlake.

再举一个例子，Justin，Timberlake的歌。

耶鲁公开课 - 聆听音乐课程节选