Quinta do Bill (Bill's Farm in english) is the name of the portuguese musical group of folk-rock formed in 1987 near Tomar (Portugal) It has a very characteristic style, eclectic but easily distinguishable with several influences being celtic, pop, rock and amerindian tradicional songs the most obvious - although there are relations to the so called "world music". The name of the group refers to the place where the first members of the group began rehearsing - the farm of a certain Guilherme (Portuguese variant of the name William