Dudy is the generic term for bagpipes in Poland.  Kozioł refers to several variants of bagpipes native to a region of Poland surrounding the city of Zbąszyń. The kozioł biały (or kozioł weselny) features a drone with a projecting horn, and is inflated with bellows rather than the mouth. The name (literally "white goat") comes from the use of a hair-out goat's hide for the pipebag, and this is often complemented by a carved wooden goat's head ornamenting the stock of the chanter. The instrument was widely popular in Poland historically, and was even played in the court of King Christian IV .