![Free Beer & Hot Wings: Woman Can Sing Two Notes at Same Time [Video]](http://townsquare.media/site/520/files/2014/10/Anna-Maria-Hefele.jpg?w=980&q=75)
Free Beer & Hot Wings: Woman Can Sing Two Notes at Same Time [Video]
Anna-Maria Hefele is a German singer, but she has a special talent.
She's a polyphonic overtone singer, which means she can sing multiple notes AT THE SAME TIME.
She can sing the low notes while simultaneously singing high notes as well.
This is just crazy. And as impressive as it is, what can this odd talent be used for?
Source: Free Beer & Hot Wings
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