The fact that three of Columbus’ most successful musical expatriates— Nancy Wilson , Rahsaan Roland Kirk , and Dwight Yoakam —play such disparate styles of music tells you something about the nature of this city’s music scene. In a place where the Midwestern “keep to yourself” ethos of humility and privacy permeates the culture, the music community reflects that same sensibility. There are parallels in their stories, but the reasons they left—and the paths they took to succes