This is to get the feel of the duple and the triple. So see what you can do.

这两个动作,能让你亲身感受两拍和三拍,试试看吧

耶鲁公开课 - 聆听音乐课程节选

It's the most important thing and our conducting pattern always has to have the downbeat of the hand in sync with the strongest impulse in the music , the strong.

这是最为重要的,而我们的指挥手势,总是和着乐曲的强音,做出重拍的动作

耶鲁公开课 - 聆听音乐课程节选