The reason for the "extra" folk songs at the end of the CD is because after recoding all the songs they wanted, they found that they still had some recoding time left so each of them decided to sing a favourite solo folk song.
It was John Thrawl who sang the song on the CD and when we attended some of the singarounds at the end of the day at the festivals he was nearly always asked to sing it. I've got to say, though you might call me biased, I've never heard anybody sing it better. He was even asked to sing it, on a barge in the Hull marina, for a couple who had just been married.
When I get home I'll get the CD out and write down the words and post it.