Answer:
The Japanese use two basic types of scale, both pentatonic. The first, used in sacred music and common to all of East Asia, has two modes—ryo, the male mode, and ritsu, the female mode. ... The music is primarily monophonic, although heterophony occurs in orchestral music and in pieces for voice and koto.
Answer: The yo scale, which does not contain minor notes, according to a traditional theory is a pentatonic scale used in much Japanese music including gagaku and shomyo.
