Bagpipes are a class of musical instrument, aerophones, using enclosed reeds fed from a constant reservoir of air in the form of a bag. Though the Scottish Great Highland Bagpipe and Irish uilleann pipes have the greatest international visibility, bagpipes have been played for centuries throughout large parts of Europe, the Caucasus, around the Persian Gulf and in Northern Africa. The term "bagpipe" is equally correct in the singular or plural, although in the English language, pipers most commonly talk of "the pipes", "a set of pipes" or "a stand of pipes". A set of bagpipes minimally consists of an air supply, a bag, a chanter, and, usually, at least one drone. Most bagpipes have more than one drone (and, sometimes, more than one chanter) in various combinations, held in place in stocks — sockets that fasten the various pipes to the bag. The most common method of supplying air to the bag is through blowing into a blowpipe, or blowstick. In some pipes the player must cover the tip o.. …