Sound waves(The behavior of soundboards)

[Keith Roberts]

 I say for sure that
> compression waves have nothing to do with it. If they don't have anything
> to do with it, I want to know why not.

Me too. Lets build a bridge out of a material that doesn't support internal
or compression waves but does everything the "bridge movement" camp says a
bridge ought to do. Then the resulting change in sound will show us how much
they don't have to do with it.
Keith R.