Songs on Instagram: "Wolfgang Saus performs both the bass and soprano lines of Canon in D simultaneously using overtone (polyphonic) singing. What you’re hearing isn’t a trick or a duet. By carefully shaping his vocal tract, Saus amplifies specific overtones hidden inside a single low note, allowing a clear, whistle-like melody to emerge above the bass. The soprano line was always there — embedded in the harmonic series of the fundamental pitch. This technique taps into something ancient. Long b

Singing/Whistling High vs Playing Higher Overtones