I don't think I should use the title of Doctor for someone who has a Doctorate in Piano Performance
Is there a difference in Dr.'s?
I doctorate is different from a MD doctor.
It is ok to clarify what kind of doctor you are. It might help to tell people you are a musician so they don't get confused.
They should know what a Doctor of Piano Performance is.
If someone earns a title they should be free to use it. I get you might be confused if they are not a MD doctor. Do you think we should change the Dr. for doctors to MDr.?