Forty years ago I was at Corby, in Northants, for the World Pipe Band Championships (yes, the fated we wuz robbed event). Last weekend saw me back there almost to the day to judge the solo piping. Thanks to the influx of steelworkers in the 50s and 60s, Corby has a strong Scottish heritage, and a few thousand turned out for the games and pipe band competition. Before proceedings got…