You knew it was time to start clapping as soon as that chord hit that, it stopped going back and forth,tonic,dominant,just sitting there.

你知道在这个和弦出来的时候要拍手，然后停下来，来回的行进，而主音，属音，然后保持住。

耶鲁公开课 - 聆听音乐课程节选