The power of sound to put an audience in a certain psychological state is vastly undervalued. And the more you know about music and harmony, the more you can do with that.
The drill instructor must have total and complete control. Mindless obedience is what he's after.
Even before I went to the UN, I often would want to say something in a meeting - only woman at the table - and I'd think, 'OK well, I don't think I'll say that. It may sound stupid.' And then some man says it, and everybody thinks it's completely brilliant, and you are so mad at yourself for not say