hearseeno Uncategorized October 6, 2014 1 Minute laughingsquid: A Mind-Boggling Demonstration of Overtone Singing, A Method for Creating a Tone and Overtone at the Same Time Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related Published by hearseeno View all posts by hearseeno Published October 6, 2014