It’s two for one with this sensational singer who can belt out a pair of notes at exactly the same time. Anna-Maria Hefele has become the latest web star after astonishing footage of her “overtone” ...

It's a job requirement for professional singers to hit the right notes. Two at the same time, however, that's a little above and beyond the call of duty. But that's what German singer, Anna-Maria ...

Get the inside track from Roisin O'Connor with our free weekly music newsletter Now Hear This Get our free music newsletter Now Hear This While most of us struggle to voice one clear, distinct note, ...

This woman can make the sound of two notes at once. She makes it seem so easy, you'd think it'd be something she learned as a party trick. But the singer, Anna-Maria Hefele, has been doing this ...

Could this be the future of classical music? Anna-Maria Hefele has perfected the art of ‘open throat’ singing where she is able to simultaneously produce both high and low notes. The effect is pretty ...

If you think singing two notes simultaneously is humanly impossible just like maybe, penning down two different words at the same time, you need to continue reading. A video of German artiste ...

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 ...

"Overtone singing is a voice technique where one person sings two notes at the same time," explains German musician Anna-Maria Hefele. Hefele is an 'open throat' singer - and her amazing ability has ...