In 1930s mysteries, all sorts of motives were credible which aren't credible today, especially motives of preventing guilty sexual secrets from coming out. Nowadays, people sell their guilty sexual secrets.
“I get the greatest feeling when I'm singing. It's other-worldly. Your feet are anchored into the Earth and into this energy force that comes up through your feet and goes up the top of your head and maybe you're holding hands with the angels or the stars, I have no idea.”