Ha, ha, ha! No of course not.
So I have to say this is quite strange, I followed your instructions to the letter and I still get this:
Even stranger is that I downloaded the file above to try it on that one, but the violins don’t seem to have the aforementioned offset??? Twilight Zone stuff…
In any case the solution works a bit better on that file:
But still not quite. The expression map can be found here: Expression Maps for Sample Modeling