There are three major bodies of music and dance covered by the term gagaku:
Accompanied vocal music from indigenous origin. It is based on primitive and traditional songs from ancient Japan such as kagura-uta, azuma-asobi, yamato-uta and, kume-uta.
Instruments accompanying these songs are divided up into three choirs:
Instrumental music with accompanied dance that derives from Asian mainland. The music is further sub-divided into two classes according to the region of its origin: tōgaku refers to music of Chinese origin, including kangen and bugaku style, while komagaku applies to music of Korean origin and the bugaku style.
Instruments for kangen are divided up into three choirs:
Instruments for bugaku are divided up into two choirs:
Vocal music that developed at the Japanese court in the 9th and 10th centuries. The text used for saibara is in Japanese while rōei’s text is in Chinese.
Instruments accompanying saibara are divided up into three choirs:
Instruments accompanying rōei are divided up into two choirs: