Kagura (Shinto Ritual Music)

Kagura covers two largely separate traditions sharing only a name and a religious function. The imperial mi-kagura, performed at the Kashiko-dokoro shrine inside the Tokyo palace, uses gagaku-derived instrumentation — sho (mouth organ), hichiriki (double-reed pipe) and ryuteki (transverse flute) — at extremely slow tempo and in strictly fixed liturgy. Folk sato-kagura, performed at shrines across Japan, varies wildly by region: Iwami kagura from Shimane is a fast, theatrical drum-and-flute tradition where masked performers act out myths such as the slaying of Yamata-no-Orochi, with taiko, fue and kane (gong) driving the dance at high tempo.

The mythic origin of kagura is the dance Ame-no-Uzume performed outside the Heavenly Rock-Cave to coax the sun goddess Amaterasu back into the world. Mi-kagura was codified at the Heian court in the 10th and 11th centuries and has been transmitted through the Imperial Household Agency's Music Department (Gakubu) ever since. Local sato-kagura traditions developed independently at shrines from the medieval period onward; the dramatic Iwami style took its current high-speed form during the Meiji era after Edo-period theatrical influence.

In mi-kagura listen for the sustained chord clusters of the sho — seventeen bamboo pipes splayed in a fan shape, sounding all at once — against the piercing, slightly sour line of the hichiriki. In Iwami kagura the interlocking pattern of taiko and the higher-pitched kane gong locks tightly to the dancers' steps and to the puppeteered motion of the orochi serpent costumes. The two traditions are best experienced separately; flipping between them in a single sitting flattens both.

For folk kagura, video of the Iwami Kagura Preservation Society performing 'Yamata-no-Orochi' is the most accessible introduction because the visual spectacle clarifies the musical structure. For court kagura, recordings by the Music Department of the Imperial Household Agency offer the canonical sound.

Iwami kagura's eight-headed serpent costumes use fluorescent synthetic fabrics that read as startlingly pop on stage — a striking case of a traditional ritual art that has eagerly embraced modern materials. Studio Ghibli's films occasionally borrow kagura percussion textures to mark numinous space.