My students, and probably some friends and relatives, would be surprised to learn that I am a fan of southern hip hop. What, pray tell, would a 40-something white woman know and enjoy about music from the Dirty South? Well, to answer that I’d have to go back to the days of my youth. Way back. I’ve long been a fan of rhythm and blues, and when other kids my age in my native Huntington, West Virginia, were listening to the Osmonds, I was loving the Jackson 5. The very first album I ever owned,...