You'll need headphones for this to work. Make sure there is no noise around, close your eyes, turn the volume up a lil bit, hold and press headphone on your ears for better hearing, play it and enjoy this impressive audio work. Not a screamer not a prank!
NOTE: I am not the maker of integrated original audio. Credit to me for converting into video and successfully uploading stereo quality clip at youtube. :p
See this wikipedia entry for information about binaural recordings.