Polyphonic Overtone Singing Anna-Maria Hefele Will Make You Feel All Kinds Of Feelings

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  • polyphonic overtone singing – Anna-Maria Hefele

    Source: www.youtube.com / Via: www.youtube.com

  • Check out this crazy video of Anna-Maria Hefele showcasing her polyphonic overtone singing skills. Her vocal control is insane. The singing in this video doesn’t even seem real!

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