I did speak a bit loosely and too simplistically. What I was trying to get to was the point you're making which is the same point the GP was making: when perfor

I did speak a bit loosely and too simplistically. What I was trying to get to was the point you're making which is the same point the GP was making: when performers have the ability (because of the instrument they are using, including the voice), they will adjust to reduce beating. My words on this were wrong and misleading.