My mother claimed to have once taught my father a song well enough so that he could tell if something was that song or wasn't. He denied it.
My father married a musical wife. I married two musical wives in
succession. The child of my first marriage married a musical wife.We have now spent three generations breeding musical ability back into his descendants. This post is to report on the success of the project.
And here is the evidence, produced a few days ago by my grandchildren.