Now musicians, being a bit more uptight oftentimes classical musicians, than other more spirited folks have developed this tradition of using conducting patterns.

现在的乐师,常常更加拘束,那些古典音乐乐师,相对于其他普通人更拘束,发展出了这样的传统,采取指挥手势

耶鲁公开课 - 聆听音乐课程节选