What is Shomyo?
Shōmyō is a style of Japanese Buddhist chant, used mainly in the Tendai and Shingon traditions. Boasting a history of more than 1200 years, the Japanese form of Buddhist sutra chanting, shōmyō ranks among the world’s oldest continually performed musical forms. Shōmyō is a form of Buddhist chant, recited by monks during rituals and ceremonies with specific melodic phrasing; it is a Buddhist chant with melodies that accompany sutra recitations during religious rituals. Unlike spoken sutras, Shōmyō is chanted with distinct rhythms and melodic patterns, often without instrumental accompaniment. Its purpose is to honor the Buddha’s teachings, express devotion, and guide the soul of the deceased in memorial services.
There are two styles: ryokyoku (呂曲) and rikkyoku (律曲), described as difficult and easy to remember, respectively. Shōmyō, like gagaku, employs the yo scale, a pentatonic scale with ascending intervals of two, three, two, two, and three semitones. Because shōmyō was passed down orally, there was initially no equivalent to musical notation in modern music theory.
Origins & Lineage
Originating in India alongside the rise of Buddhism, Shōmyō traveled to China before reaching Japan in the mid-6th century. One of the earliest forms of Japanese Buddhist music is shomyo, derived from a Chinese adaptation of Indian Vedic chants and thought to have been elaborated in Japan in the 8th century by monks returning from China.
An early reference to Buddhist chanting in Japanese history is a ceremony being held at the time of the kaigen ceremony for the Daibutsu (Great Buddha of Tōdai-ji) in 752, and it is believed that chanting was widely practiced during the Nara period (710-794). This 752 ceremony at Tōdai-ji Temple in Nara represents the oldest documented performance of shomyo in Japan.
In the early Heian period (794-1331), Kūkai and Saichō each transmitted chanting styles they had inherited when studying Buddhism in China, which eventually became the basis for the chanting styles of Shingon and Tendai. Kūkai (774–835) founded Shingon Buddhism and its chant lineage; Saichō (767–822) established Tendai Buddhism with his disciple Ennin (794–864) furthering the Tendai chant tradition. During the early Kamakura period (1185-1333), the monk Tanchi developed a systemic musical theory for shōmyō, which eventually became the core of Tendai shōmyō and has been inherited into current Tendai shōmyō.
Until the Kamakura period, there were many schools of Shingon shōmyō, but under Prince Kakusho they were consolidated into four schools. The Honsoin-ryu, Shinsoin-ryū and Daigo-ryū were all abolished by the mid-Meiji period (1868-1912), with only Nakagawa Daishin-ryū remaining. Currently, the Nakagawa Daishin-ryū style of Shingon shōmyō is divided into three main schools: Chizan Shōmyō from Chishaku-in in Kyoto, Buzan Shōmyō from Hasedera in Nara and Nanzan Shinryū from Kōyasan in Kyoto.
How It’s Practiced
Shōmyō is often performed without instrumental accompaniment, relying solely on the human voice. In many ways, the human voice in Shōmyō is treated as an instrument, used to produce complex musical phrases without the need for accompaniment. The monks’ voices resonate in harmony, creating a meditative soundscape that supports the religious atmosphere of Buddhist ceremonies. The absence of instrumental harmony emphasizes the purity of the human voice and its capacity to express spiritual devotion.
Percussion instruments such as the hachi (cymbals) and nyo (gongs) are sometimes used to mark significant transitions in the chant or emphasize key points in the ritual. Consisting of a chorus and rhythm instruments, the ritual music is truly multicultural: Sanskrit text from India, bells and gongs from China, and wooden percussion from Japan.
One unique aspect of Shōmyō is its emphasis on ma (space or silence between sounds). The timing and breath control between monks are critical, as they must chant in perfect harmony. Through years of practice and repetition, monks naturally learn to synchronize their breathing and timing, creating a unified sound that reflects a deep spiritual connection. Eventually the ancient style grew to include lyrics in Sanskrit, Chinese, and Japanese.
Shomyo practitioners employ elongated vowel sounds—a single vowel may be sustained for 20 seconds or more, with subtle timbral shifts throughout the breath. Melody patterns are constructed to be sung within one breath, with portamento and pitch-bending shaping the contours.
Shomyo Today
Shōmyō is still performed today in Buddhist Shingon or Tendai temples in Japan as it was over a thousand years ago. As sacred liturgy, shomyo was traditionally performed only in Buddhist monasteries and the emperor’s court. It was unfamiliar even to most Japanese in 1966, when temple priests gave the first public performance of the traditional chants at the newly founded National Theatre in Tokyo.
The 20th century brought audio documentation and concert presentations, helping to frame shōmyō as both sacred practice and intangible cultural heritage. Specialist ensembles and research groups promoted study, recordings, and international tours. Shomyo no Kai–Voices of a Thousand Years embarks on tours, produced and organized by institutions like Japan Society in New York City. The chorus of two dozen priests from the Shingon and Tendai sects performs traditional shomyo along with shomyo-inspired works by contemporary composers.
Shōmyō ensembles go on world tours, monks hold impromptu performances in local bars and even collaborate with psychedelic rock bands. Contemporary practitioners like Junko Ueda have released recordings and teach workshops globally, making the practice accessible beyond monastic settings.
Common Misconceptions
Shomyo is not meditation music created for relaxation, though it may induce meditative states. It is liturgical—created for specific ritual functions within Buddhist ceremonies, not for personal spiritual development or ambient listening. “Shomyo chanting can obviously be enjoyed as an art music. However, above all, the shomyo chanting is a most serious training and an expression of a religious feeling by a devout Buddhist person.”
It should not be conflated with other forms of Buddhist chanting practiced in Theravada, Tibetan, Chinese, or Korean traditions. While related through shared Buddhist roots, shomyo represents a distinctly Japanese development with its own modal system, notation, and ritual context.
Although derived from earlier Chinese sources, the major influences of shomyo nomenclature and performance practices are found in later Japanese music much in the way ancient Western art music is based on early Roman Catholic music theory. Shomyo is not simply preserved ancient music—it influenced the development of Noh theater, Heike narrative recitation (heikyoku), and other Japanese vocal arts.
How to Begin
For recordings, seek out albums from Smithsonian Folkways (“Japan: Shomyo Buddhist Ritual: Dai Hannya Ceremony”), or recordings by Junko Ueda such as “Meditative Flowers,” which features Tendai shomyo repertoire. The ensemble Shomyo no Kai has released multiple albums documenting both traditional pieces and contemporary collaborations.
Junko Ueda offers workshops internationally that teach shomyo melody patterns, breathing techniques, and concepts like hara (body’s energy center) and ma (space and timing). No musical background is required for introductory workshops. Temple stays at major Shingon centers like Mount Kōya (Koyasan) or Tendai temples on Mount Hiei may offer opportunities to hear shomyo in its ritual context during morning services.
For scholarly study, consult resources from the National Theatre of Tokyo or academic ethnomusicology programs focusing on Japanese ritual music. The oral transmission tradition means direct study with a qualified teacher remains essential for serious practitioners.