KOTO. The Koto is one of the most popular classical instruments in contemporary Japan. It is a thirteen-string zither commonly known as a floor harp. This paper explores the construction, history, tuning and playing of the Koto. 5 pgs. Bibliography lists 1 source. Pages: 5 Bibliography: 1 source(s) listed Filename: 4731 Koto Classical Instruments.doc Price: 44.75