Bunun Pasibutbut: The Eight-Part Polyphony That Challenged Western Music History

30-Second Overview: In 1943, Japanese ethnomusicologist Kurosawa Takatomo carried recording equipment deep into the Kanding tribal settlement in Taitung, recording the Bunun harvest-prayer song Pasibutbut. Nine years later, the recording reached UNESCO, and every musicologist present was stunned — Western theory held that polyphonic choral singing was a product of high civilization, yet the Bunun people, deep in mountains with no writing and no instruments, achieved it through the resonance of the human voice alone. This piece, known as the "eight-part polyphony," remains to this day the most internationally recognized sound Taiwan has ever produced.

In 1943, at the tail end of World War II, Japanese ethnomusicologist Kurosawa Takatomo was commissioned by the Taiwan Governor-General's Office to carry heavy recording equipment into the Kanding settlement in Haiduan Township, Taitung County.¹ With the help of local police and a young Bunun man named "Adao," he overcame unstable electricity and difficult access to capture a sound that would change music history.

Kurosawa later wrote: "This is the most perfect natural harmony I have ever heard in my life."²

In 1952, he sent this recording to the International Folk Music Council under UNESCO. The prevailing view in Western music theory at the time held that human music evolved linearly from monophony to polyphony and then to complex harmony — a path of "civilizational progress." The appearance of Pasibutbut blew that line apart.³ A people without a writing system had produced something that Europeans believed only highly advanced civilization could create.

Not Eight Parts — But More Mysterious Than Eight

The name "eight-part polyphony" is, in fact, a beautiful misunderstanding.

Musicologically, Pasibutbut actually has only four vocal parts (sometimes five): bass Mahalngal, mid-range Manda, high-range Bondada, and a highest voice that enters near the end.⁴ But when the Bunun people perform with exquisitely precise resonance techniques, the sound produces a physical phenomenon of "overtones" — additional higher-frequency harmonics stack above the main melody, making listeners feel as though they are hearing eight, or even more, simultaneous voices.⁵

Curator's Perspective: This technique of collectively generating overtones is comparable in spirit to Mongolian khoomei (throat singing). But khoomei is a solo art; the Bunun achieve it through collective choral singing — a wholly different order of difficulty.

In isolated mountain forests, the Bunun passed down this technique — through imitation of waterfalls, bees, and the wind — across thousands of years and countless generations.⁶

A Prayer That Ascends

For the Bunun people, Pasibutbut is not a performance — it is a ritual. The song is sung after the Ear Shooting Festival and before the Millet Planting Ritual, as a prayer asking the sky god Dehanin to bless the millet harvest.⁷

The singing follows strict rules:

The voices must ascend gradually from low to high, symbolizing millet growing tall and strong. If the pitch drops or goes out of tune midway, it is regarded as an ill omen, foretelling possible disaster that year. The Bunun believe that if the singing is not harmonious, it reflects impurity of spirit or disunity within the tribe, and the sky god will not grant a good harvest.⁷

During the performance, tribal members stand in a circle with their hands on each other's backs, feeling the vibration of each other's chests. This is not a display of individual virtuosity — it is a collective will in dialogue with the sky god. Traditionally, only men perform; a purification ritual must be carried out before singing.⁷

Curator's Perspective: Pasibutbut's "quality control" is extraordinarily strict — going out of tune is not merely a musical mistake; it is an offense against the sky god and an omen for the entire tribe. This pressure to perform with perfection may be precisely the reason this technique has been refined over thousands of years.

A Voice Growing Smaller

In 2009, the Ministry of Culture registered "Bunun Eight-Part Polyphony" as an important national traditional art form, designating multiple tribal communities as preservation groups.⁸ But the pace of official protection may not be keeping up with the pace of disappearance.

Younger generations leave the tribal communities; participation in traditional rituals declines. Tourism performances, seeking to please audiences, sometimes simplify the singing process or ignore ritual restrictions. The more fundamental problem is language — the loss of the Bunun language makes it difficult for the next generation to understand the deep cultural meaning carried by the lyrics.

"It's not learning to sing — it's learning how to converse with nature and with the ancestors."

In Bunun tribal communities in Nantou, Hualien, and Taitung, elders still teach young people to control throat muscles and listen for the overtones in the air. What they are transmitting is not only a technique — it is an entire way of understanding the world: sound is not made by human beings; it grows from the earth, and people are only the vessels through which it passes.

In the moment in 1943 when Kurosawa Takatomo pressed the record button, he probably did not imagine that eighty years later this sound would still be Taiwan's most powerful cultural export. Not because it is old — but because it uses the simplest means — a few human throats — to prove one thing: the depth of art has never depended on the advancement of technology.

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