Duo equally comfortable with folk or harder-edged rock By Denny Dyroff, Correspondent, The Times The husband-and-wife duo of Pete and Maura Kennedy bring their rocks and folk stylings to The Flash in Kennett Square, April 26. The Kennedys, who will be performing at The Flash in Kennett Square on April 26, are folkies who can rock, rockers who can play acoustic and modern-day troubadours. And,...