Listen for strained braying. The melancholy braying of the unicorns, frightened and despairing, reached them. -- Walter Myers, Shadow of the Red Moon (1995) On many an occasion, the labored braying of a unicorn has taken a bystander by surprise. That is because the troubled vibrations are like nothing one has ever heard before. Interestingly, a unicorn's braying has the uncanny effect of deepening the quiet in the environment. This is believed to be due to a sonic "interference" effect, whereby the inverted waveform of the braying cancels out more ordinary sound waves. A unicorn's strained braying may sound: like qualmish laughter like trumpets like howls of derision mournful hysterical loud scared