Gregg Allman died over the weekend at the age of 69. He and his brother Duane revolutionized rock and roll in the South. Chuck Reece , editor of The Bitter Southerner , shares a remembrance of a musician who helped shape his worldview. Today, the concrete building at 688 Spring Street in Atlanta is an anonymous-looking urgent-care center. Many Southerners remember it as 688, the landmark punk-rock club. But pre-punk, it was called Rose's Cantina. And the best night of my teenage life happened