One of the most ancient forms of instrumental classical music is found in JAPAN .  In fact, the music heard today as Gagaku is almost identical with the sound produced as long ago as the 8th century.  A Gagaku ensemble usually includes a KOTO a type of zither.  When voice is added to the usually purely instrumental music, the sound is sparse and is created as the singer intones in a natural speaking voice using no vibrato or ornamentation.  The music often falls into three sections , jo (a slow introduction), ha (moderate tempo) and kye (a faster ending). Koto