Two-time Grammy Award-winning singer, songwriter and producer Eric Roberson is a big part of the 16th Pittsburgh international Jazz Festival (9/17-9/20). Roberson, a New Jersey native and known of the original pioneer and king of Independent Soul Music, will perform on Saturday, September 19 and Sunday, September 20 at the free outdoor festival. WBGO’s Doug Doyle chats with Eric Roberson about his upcoming performances, his family and amazing career.