Anna-Maria Hefele polyphonic overtone singing almost doesn't sound real; this amount of vocal control is amazing.

Adam Rifkin stashed this in A Cappella

<p><a rel="nofollow" target="_blank" href="https://www.youtube.com/watch?v=vC9Qh709gas"><iframe height="315" width="560" src="http://www.youtube.com/embed/vC9Qh709gas"></iframe></a></p>

Adam Rifkin
11:53 PM Oct 04 2014

1600 Reddit comments: http://reddit.com/r/videos/comments/...     

<p>1600 Reddit comments: <a rel="nofollow" target="_blank" href="http://www.reddit.com/r/videos/comments/2iaimu/polyphonic_overtone_singing_almost_doesnt_sound/">http://reddit.com/r/videos/comments/...</a>     </p>

Adam Rifkin
11:53 PM Oct 04 2014

Karl Pilkington: 

Reddit comments:

http://reddit.com/r/videos/comments/2iblvc/karl_pilkington_doing_polyphonic_overtone_singing/

<p>Karl Pilkington: </p> <p><a rel="nofollow" target="_blank" href="https://www.youtube.com/watch?v=tfhVijGm8zY"><iframe height="315" width="560" src="http://www.youtube.com/embed/tfhVijGm8zY"></iframe></a></p> <p>Reddit comments:</p> <p><a rel="nofollow" target="_blank" href="http://reddit.com/r/videos/comments/2iblvc/karl_pilkington_doing_polyphonic_overtone_singing/">http://reddit.com/r/videos/comments/2iblvc/karl_pilkington_doing_polyphonic_overtone_singing/</a></p>

Adam Rifkin
11:59 PM Oct 04 2014