Since my wife and granddaughter are both big Ed Sheeran fans I have to say that I have, over the months, become quite familiar with his work (I'm only the driver) although I'm not sure that I'd ever attempt any of it in a folk club, even after I have eventually mastered the guitar! However he does appear to have some grasp on folk music or at least the Irish pub music scene as illustrated in his song "Galway Girl" although his reference to the song "Carrickfergus" surely can't be the same version of which I am acquainted?