If Aretha Franklin is the “Queen of Soul,” Otis Redding was the king. He died in 1967 at the young age of 26, but not before recording some of the most powerful soul records that still resonate with contemporary listeners. Last weekend, Macon hosted a festival in honor of the fallen soul-singer, including musical performances from his two sons. Author Mark Ribowsky examines Redding’s legacy from his upbringing in Georgia to his untimely death. He talks about his book, “Dreams to Remember: Otis