Back in the days before electricity, a peculiar tradition rose out of southeastern North Carolina. Over vast swaths of farmland, voices would ring out to say good morning, ask for help, or just to share a ditty. The old timers called this tradition “hollerin’.” Part singing and part yelling, it was the text message of the pre-industrial age with a complicated history. But, just as telephones and automobiles were about to make hollerin’ obsolete, a group of North Carolinians put together a one-of-a-kind event that may have saved this folk tradition from dying out forever.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices