{
  "id": "chenda",
  "name": "Chenda (Kerala cylindrical stick drum)",
  "family": "percussion",
  "class": "membranophone",
  "axes": {
    "pitchFix": 0,
    "sustain": -1,
    "polyphony": -2,
    "harmonicity": 0,
    "register": 0,
    "range": 0,
    "articulation": 2,
    "transduction": -2,
    "dynamics": 2
  },
  "short": "chenda",
  "parts": [
    {
      "id": "chenda_form",
      "name": "Form / role",
      "variants": [
        {
          "id": "chenda_uruttu",
          "default": true,
          "name": "Uruttu chenda (lead — treble edamthala head, rolling strokes)",
          "descriptors": [
            "cracking",
            "virtuosic",
            "projection-strong"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "loud-projection"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_veekkan",
          "name": "Veekkan chenda (accompaniment — multi-layered bass valamthala head)",
          "descriptors": [
            "foundational",
            "timekeeping",
            "layered-hide-head"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "low-register"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_chande",
          "name": "Chande (Yakshagana form, coastal Karnataka — slant-mounted, thin sticks)",
          "descriptors": [
            "regional",
            "slant-mounted",
            "cutting"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks"
          ],
          "canonical_tags": [
            "south-asian",
            "folk"
          ]
        }
      ]
    },
    {
      "id": "chenda_repertoire",
      "name": "Repertoire / context",
      "variants": [
        {
          "id": "chenda_melam_temple",
          "default": true,
          "name": "Chenda melam (massed temple orchestra — panchari and pandi melam)",
          "descriptors": [
            "processional",
            "massed",
            "temple-festival"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "ensemble",
            "ritual-context"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_thayambaka",
          "name": "Thayambaka (solo virtuoso showcase — stick and palm)",
          "descriptors": [
            "improvised",
            "escalating",
            "spotlight"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "hands"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_ritual_theatre",
          "name": "Kathakali / Theyyam ritual theatre accompaniment",
          "descriptors": [
            "narrative",
            "gesture-tracking",
            "ritual"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "ritual-context",
            "devotional"
          ],
          "canonical_tags": [
            "south-asian",
            "folk"
          ]
        }
      ]
    },
    {
      "id": "chenda_construction",
      "surface": false,
      "name": "Shell and heads",
      "variants": [
        {
          "id": "chenda_jackwood_cowhide",
          "default": true,
          "name": "Jackwood shell, rope-tensioned layered cowhide heads (canonical Kerala)",
          "descriptors": [
            "jackwood-shell-layered-cowhide-canonical-kerala"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "woody"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_fibreglass_synthetic",
          "name": "Fibreglass shell / synthetic heads (modern processional alternative)",
          "descriptors": [
            "fibreglass-synthetic-modern-processional"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "synthetic"
          ],
          "canonical_tags": [
            "modern"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "chenda_form",
      "name": "Form / role",
      "variants": [
        {
          "id": "chenda_uruttu",
          "default": true,
          "name": "Uruttu chenda (lead — treble edamthala head, rolling strokes)",
          "descriptors": [
            "cracking",
            "virtuosic",
            "projection-strong"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "loud-projection"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_veekkan",
          "name": "Veekkan chenda (accompaniment — multi-layered bass valamthala head)",
          "descriptors": [
            "foundational",
            "timekeeping",
            "layered-hide-head"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "low-register"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_chande",
          "name": "Chande (Yakshagana form, coastal Karnataka — slant-mounted, thin sticks)",
          "descriptors": [
            "regional",
            "slant-mounted",
            "cutting"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks"
          ],
          "canonical_tags": [
            "south-asian",
            "folk"
          ]
        }
      ]
    },
    {
      "id": "chenda_repertoire",
      "name": "Repertoire / context",
      "variants": [
        {
          "id": "chenda_melam_temple",
          "default": true,
          "name": "Chenda melam (massed temple orchestra — panchari and pandi melam)",
          "descriptors": [
            "processional",
            "massed",
            "temple-festival"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "ensemble",
            "ritual-context"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_thayambaka",
          "name": "Thayambaka (solo virtuoso showcase — stick and palm)",
          "descriptors": [
            "improvised",
            "escalating",
            "spotlight"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "hands"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_ritual_theatre",
          "name": "Kathakali / Theyyam ritual theatre accompaniment",
          "descriptors": [
            "narrative",
            "gesture-tracking",
            "ritual"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "ritual-context",
            "devotional"
          ],
          "canonical_tags": [
            "south-asian",
            "folk"
          ]
        }
      ]
    },
    {
      "id": "chenda_construction",
      "surface": false,
      "name": "Shell and heads",
      "variants": [
        {
          "id": "chenda_jackwood_cowhide",
          "default": true,
          "name": "Jackwood shell, rope-tensioned layered cowhide heads (canonical Kerala)",
          "descriptors": [
            "jackwood-shell-layered-cowhide-canonical-kerala"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "woody"
          ],
          "canonical_tags": [
            "south-asian"
          ]
        },
        {
          "id": "chenda_fibreglass_synthetic",
          "name": "Fibreglass shell / synthetic heads (modern processional alternative)",
          "descriptors": [
            "fibreglass-synthetic-modern-processional"
          ],
          "match_tokens": [
            "percussive-attack",
            "sticks",
            "synthetic"
          ],
          "canonical_tags": [
            "modern"
          ]
        }
      ]
    }
  ]
}