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A three-line Korean poetic form, each line built from four groups of syllables totaling roughly forty-four to forty-six syllables across the poem, introducing a situation in the first line, developing it in the second, and turning on an unexpected twist in the third. Sijo were composed to be sung rather than read silently, and their deeper origin remains genuinely unsettled among scholars: one influential account traces the form's shape to fifteenth-century mandaeyeop court music scores, though the form is attested no later than the middle of the Goryeo period (918 to 1392).
Facts
Disputed
Place of OriginThe form's more specific origin is genuinely unsettled among scholars: one influential account traces its shape to fifteenth-century mandaeyeop court music scores, though sijo is attested no later than the middle of the Goryeo period (918 to 1392). StructureThree lines, each built from four groups of syllables totaling roughly forty-four to forty-six syllables across the poem, introducing a situation in the first line, developing it in the second, and turning on an unexpected twist in the third. 1 Learn More
A Song Before It Was a Poem
This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
Sijo were composed to be sung, accompanied by court instruments, and the vocal setting shaped the form as much as any rule about syllable count did. One influential scholarly account traces the sijo's characteristic three-line shape directly to mandaeyeop, a slow court song style attested in fifteenth-century musical notation, arguing the poem's form followed the melody's rather than the other way around. The form's earlier history stays genuinely obscure: sijo are attested no earlier than toward the end of the Goryeo period, in the late fourteenth century, and some scholars place their emergence later still, in the Joseon Dynasty that followed Goryeo's fall in 1392; nothing in the surviving record pins the form's actual invention to a specific decade or a specific poet, leaving a real gap between when sijo must have existed and when the documentary trail can first confirm it did.
Three Lines, One Twist
This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
A sijo has exactly three moves available to it, and the whole form lives in how a poet spends the third. The first line sets a situation, the second develops it, roughly doubling down on the first line's own direction, and the third line turns, an unexpected observation, a reversal or a sharpened point that recasts what the first two lines said. Comparisons to the haiku's own turn are common and not accidental; both are short forms built around a final pivot rather than a sustained development across many lines. The sijo's turn tends to land harder and more explicitly than a haiku's characteristically understated one, closer in spirit to an epigram's punchline than to a haiku's juxtaposition of two images left for the reader to connect, a difference in temperament between two short forms that otherwise look, at first glance, structurally similar.
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