Explaining Vocals on Instagram: "😳🤯 When Wolfgang Saus performs Canon in D, what you’re hearing is not a duet, an effect, or studio trickery. Using overtone or polyphonic singing, Saus produces a deep bass note while simultaneously bringing out a clear, whistle-like soprano melody above it. By precisely shaping his vocal tract, he amplifies specific overtones that naturally exist within the harmonic series of a single pitch, making two distinct musical lines audible at the same time. The sopra