Yes, this week we're pulling out all the stops on Mushroom FM's Premier Celtic Music Show, because we'll be featuring a number of different versions of a folk song, likely English in origin, which is all about the planting, harvesting and distilling of barley. Barley has been a staple of human existence for thousands of years. It, along with wheat and other grains, was why we gave up hunting and gathering and became stay-at-home farmers first, and then built civilizations.