Sometime between fifth grade and high school my dad altered my musical taste. I didn’t understand it at the time, and I have to give him credit because it was subtle, but now that I have two kids of my own toting around digital devices, filtering all means of communication in the home is an important part of parenting. What does that have to do with the short documentary I recently produced? Today lovers of R&B music have no fewer than four radio stations in Madison County to get their fix.