I don’t see why it would ever disappear. It’s essentially a device that transforms your vocal chord into an instrument. So you can sing roughly the tone you hav

I don’t see why it would ever disappear. It’s essentially a device that transforms your vocal chord into an instrument. So you can sing roughly the tone you have in mind. That’s huge. I often think of melodies that I have no ability to reproduce on any instrument — but I can roughly hit the notes with my voice.