> I just cannot hear...what changed after Tap your foot along to the people clapping in the video. They're clapping on 1 and 3 at the beginning, so you should

> I just cannot hear...what changed after Tap your foot along to the people clapping in the video. They're clapping on 1 and 3 at the beginning, so you should count "1 2 3 4" as you tap your foot, with their claps being on "1" and "3". At/by the one-minute mark of the video, you'll realize that the claps are now on 2 and 4.