It's shocking when someone who is really bad thinks they're really good. It's heartbreaking, because singing is such a vulnerable thing to do.
Ultimately, I don't think you can teach a tone-deaf person how to sing. Some talents you're just born with, unfortunately.
I think that the audience wants to see women being put into real situations where they can relate to them, rather than seeing some glamorous woman in a 'Bond' film.
I think everybody wants to be a rock star.