a sizable mechanical instrument resembling a barrel organ that creates noise in replica of an orchestra.
a mechanical several drum that allows one player to relax and play all areas of an orchestrated bit of songs.
A large music field imitating a variety of orchestral tools.
A mechanical guitar, really much like a barrel-organ, but having many different stops, etc., which enable the replica of a sizable variety of orchestral tools and creation of very complicated music works. Numerous names have already been applied to various kinds of the tool.