This is the odds and ends department – a place for the articles that don’t fit in the other categories of articles. And let’s start with a bit of light relief. ‘Songs Through the Periscope, or, Folk Song Detective in Action’ documents a brief flurry of correspondence between Steve Roud and Ruairidh Greig putting forward some theories about the origin of some well-loved songs. Please have about 0.01 grams of NaCl available before reading this article.