National symbols of Ireland, the Republic of Ireland and Northern Ireland with Jameson Irish Whiskey and Tullamore Dew the main whiskey brands. Poitín, made from potatoes and with an alcohol content of up to 90% ABV, is the traditional Irish moonshine, brewed illegally since 1661, when a duty was placed on whiskey and other spirits were made illegal. According to one guidebook, ""If you see a product labelled "poteen" in an airport or a bar, it's simply a white duty-paid Irish schnapps. By definition, poteen is illegal and can't be sold."" Stout, a dark beer made using roasted oats or barley, is the national beer, with Guinness heavily promoted as a
Whiskey in the Jar version sung by Thin Lizzy and Metallica. There is also a song about Irish troops in the American Civil War called "We'll Fight for Uncle Sam", which is sung in the same tune of "Whiskey in the Jar". A partial discography: The song has also been recorded by singers and folk groups such as Roger Whittaker, The Irish Rovers, Seven Nations, Off Kilter, King Creosote, Brobdingnagian Bards, Charlie Zahm, and Christy Moore. Contrary to common belief, The Clancy Brothers never recorded the song. The confusion stems from the album "Irish Drinking Songs", which is composed of separate tracks by The