Pan pipes (or pan flutes) are composed of several pipes of gradually increasing length.
A string quartet consists of four string players, it appeared in the late 18th century.
A zither is one of the typical instruments of Hungarian folk music, played by strumming or plucking the strings.
The piano is one of the most popular instruments of the world. It is a chordophone, it produce sounds mechanically.
Edison´s invention records and plays sound from a cylinder, while Berliner´s apparatus uses a disc.