Her voice sounds like some sort of alien spacecraft hovering over the city. In her video demonstration that has gone viral, Anna-Marie Hefele shows how one person can hit, sustain, and move around the scales, of two notes at the same time.
Listen to her demonstration with earphones and you can really hear the two distinct notes being manipulated in her throat.
Anna-Maria Hefele, is an Austria-based singer who is bringing overtone singing into the spotlight with her demonstration video of the style she has been practicing for the past ten years.
On her website, Hefele describes that she has been practicing the art of overtone singing since 2005 and is also a classically trained singer who plays instruments like the harp, mandolin, Schwegel, didgeridoo, and the piano.
