Japan · Musical Instrument Making

Sanshin Making (Okinawan Three-String Lute)

三線 (Sanshin)

The sanshin (三線) is Okinawa's three-stringed lute, the ancestor of the mainland shamisen. It descends from the Chinese sanxian and grew up as a court instrument, with official posts for sanshin makers and masters under the kingdom. Later it became everyone's instrument, and it is indispensable to kumiodori, Ryukyu opera, folk song and pop. It is built from a neck (sō), a body (chīga) and tuning pegs (karakui), and the neck's form decides the type. Seven classic types are named after Ryukyu-era master makers: Fēbaru (南風原型), Chinin Dēku (知念大工型), Kuba Shundun (久場春殿型), Makabi (真壁型), Hiranaka Chinin (平仲知念型), Yunagusuku (与那城型) and Kuba-nu-funi (久葉の骨型). By the designation standard, the neck is ebony, isu (Distylium racemosum), Casuarina or equivalent. Its face is carved in a shallow bow falling two to five rin (about 0.6–1.5 mm) toward the center, and the underside of the nut is cut away. The body frame is wood with snakeskin, tightened by wedges. The most important step is butate, fitting the neck into the body, which largely decides the tone. Two supply crises now bear on the craft. Yaeyama kuruchi (ebony) is so depleted that dealers report stocks in the dozens. And python skin is imported under the CITES trade controls on wildlife, which has pushed makers toward reinforced double skins and artificial skins. Selecting wood through to finishing can span decades.

Risk level: Vulnerable · Instrument not inscribed; its central repertoire kumiodori is on UNESCO's Representative List. METI Traditional Craft Product (7 November 2018) — Okinawa's 16th. Prefectural holders for sanshin making added in May 2018 (21 makers named)

Alternate Names
Sanshin; sanshin-zukuri; chīga (body); sō (neck); karakui (pegs); kuruchi (ebony); jabisen; kankara sanshin
Geographic Center
Naha and 12 other municipalities across Okinawa Prefecture (incl. Ginowan, Urasoe, Okinawa City, Yomitan, Haebaru, Kumejima, Taketomi)
Community / Ethnic Group
Okinawan (Ryukyuan) sanshin makers
Estimated Origin
Prototype brought from China in the Ryukyu Kingdom era (sanxian); developed as a court instrument
Cultural Function
Court music; kumiodori (UNESCO-inscribed dance-drama); folk and popular music; household instrument
Primary Materials
Neck: ebony (Yaeyama kuruchi preferred), isu (Distylium racemosum), Casuarina or equivalent. Body: podocarpus (inumaki), mulberry or equivalent. Skin: snakeskin (python)
Primary Tools
Drawings and templates for the seven neck types; saws and files for cutting and shaping the neck; lacquer for 3–10 coats, each ground back; for the body, nails, the wooden frame, cloth tape and a clamping frame with wedges
Process Overview
Choose type -> select and cut wood -> sand and shape neck -> lacquer neck -> build body frame -> stretch snakeskin front and back in two stages with wedges -> fit pegs -> butate (neck into body) -> fit nut, wrap, tailpiece, strings -> set bridge
Traditional Applications
Court and ritual music; kumiodori; folk song
Contemporary Applications
Folk and popular music; education; tourism
Notable Practitioners
Seven classic types commemorate Ryukyu-era makers (南風原型, 知念大工型, 久場春殿型, 真壁型, 平仲知念型, 与那城型, 久葉の骨型). Contemporary prefectural holders (21 recognized May 2018) are listed in the Okinawa Prefecture document — not individually verified here
Key References
Association for the Promotion of Traditional Craft Industries, Aoyama Square, 'SANSHIN' (kougeihin.jp/craft/1420); Japanese Wikipedia, '三線'; Okinawa Sanshin Info, 'Sanshin no genboku kuruchi wa masumasu kishō'; Okinawa Prefecture document on additional recognition of intangible-cultural-property holders (8 May 2018); Okinawa Prefecture Sanshin Manufacturing Cooperative, '三線ができるまで'; Traditional Crafts Aoyama Square, 'Sanshin' (designated 7 Nov 2018; TEWAZA video)
Verification Status
Verified — designation, standards, types; material-scarcity figures from trade sources

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