Not exactly horror-related, but still incredibly cool, the earliest known sound recording has been found (dated April 9, 1860):
http://www.msnbc.msn.com/id/23835160/?GT1=43001
You can hear the brief recording at http://www.firstsounds.org/sounds/index.php
http://www.msnbc.msn.com/id/23835160/?GT1=43001
You can hear the brief recording at http://www.firstsounds.org/sounds/index.php






