Sing two notes at the same time? You can, and it’s amazing – RADIO DEEJAY (Blog)

Singing two note at the same time? You can, and it’s amazing RADIO DEEJAY (Blog) Ladies and gentlemen, here is Anna-Maria Hefele. The diplophony or overtone singing, is a special vocal technique that consists in sing two note at the same

time. How? Producing harmonics that resonate with the note key.