The Twitterverse worked itself into a bit of a lather a couple of weekends ago, when Sunday Times columnist Sathnam Sanghera decried the people who sit down and play the pianos that have been left in train stations, writing “Can we please get back to good old British reserve in general?” In response, reporter Amy Walker went to St. Pancras Station in London and talked to some of the people who took a turn at the keyboards there that day.