Record producer Pete Waterman and his daughter Toni are profoundly moved by the battlefields where their forefathers fought during the First World War. My grandfather, Walter Lord, the one I grew up with, taught me how to cheat at dominoes. When, a few months later, he discovered that I was indeed cheating, he chased me up the road until he couldn't run any farther. I remember even in the Fifties he would never accept the third light of a match; his superstitious logic was that enemy soldiers in a neighbouring trench would spot the lighting of the first cigarette from...