We good guys. There are situations were reality transcends the experience. Stealing the native's food would be a poor way to open negotiations. Legends persist longer than their creators. The inventiveness of the human mind is a wonderful thing.
Music releases the block against intermind communication that normally exist in the human mind.
It is difficult to put a spell on what you cannot see. Intelligence and wisdom are worth far more than any amount of muscle. Humans have no corner on racial prejudice. I don't think revenge is all that unnatural an impulse. The happiness of the ignorant is no less so than any other.