Shannon McNally met Jim Dickinson immediately after Katrina, but they could have been lifelong friends from the way she talks about him. “It was kind of like coming home,” she says of meeting him. Dickinson, the famed record producer and pianist, died August 15, and his last session was as piano player on McNally’s new album, Coldwater. “We moved into temporary housing that turned into long-term housing up here in Baylor, Mississippi,” she says. “We had a phone put in, and the very f...