The "king of instruments" has a long history, one which can arguably be traced to the concept of a collection of "fixed-pitched pipes blown by a single player (such as the panpipes)" (Randel 583). The first examples of pipe organs with the basic features of today can be traced to the third century B.C.E. in the Greco-Roman arena; it is said to have been invented by Ktesibios of Alexander and contained "a mechanism to supply air under pressure, a wind-chest to store and distribute it, keys and valves to admit wind to the pipes, and one or more graded sets of fixed-pitch pipes." (Randel 583…
