I was just thinking about this. If you all recall in the stretching room, as Master Gracey's body falls toward guests, you hear his scream get more low pitched as he nears you. Well, that isn't right. That is the sound someone would make if they were falling away from you. If someone is falling on top of you, the voice gets more high pitched and louder as it nears you. Disney Imagineers need to study their doppler effect more!