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 ...

There is no question that the human voice is a remarkable musical instrument, but few singing styles hit that point home as well as overtone singing — commonly known as throat singing —does. And it’s ...

The California Golden Overtones, UC Berkeley’s premier all-female a capella group, are often compared to the Barden Bellas in “Pitch Perfect.” With their matching blazers and polished appearance, the ...