{
  "id": "surdo",
  "name": "Surdo (Brazilian samba bass)",
  "family": "percussion",
  "class": "hand_percussion",
  "axes": {
    "pitchFix": 0,
    "sustain": -2,
    "polyphony": -2,
    "harmonicity": 0,
    "register": -2,
    "range": -1,
    "articulation": 1,
    "transduction": -2,
    "dynamics": 1
  },
  "short": "surdo",
  "parts": [
    {
      "id": "surdo_size",
      "surface": false,
      "name": "Size class",
      "variants": [
        {
          "id": "surdo_primeira",
          "default": true,
          "name": "Surdo de primeira (largest, downbeat)",
          "descriptors": [
            "foundational",
            "grounding"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_segunda",
          "name": "Surdo de segunda (mid)",
          "descriptors": [
            "off-beat",
            "responsive",
            "complementary"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_terceira",
          "name": "Surdo de terceira (smallest)",
          "descriptors": [
            "fills",
            "virtuoso",
            "responsive"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        }
      ]
    },
    {
      "id": "surdo_skin",
      "surface": false,
      "name": "Skin material",
      "variants": [
        {
          "id": "surdo_nylon",
          "default": true,
          "name": "Nylon (modern canonical Rio carnival)",
          "descriptors": [
            "nylon-canonical-rio-carnival"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_hide",
          "name": "Animal hide (pre-modern traditional)",
          "descriptors": [
            "hide-pre-modern-traditional"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_composite",
          "name": "Synthetic composite (professional)",
          "descriptors": [
            "synthetic-composite-professional"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        }
      ]
    },
    {
      "id": "surdo_shell",
      "surface": false,
      "name": "Shell material",
      "variants": [
        {
          "id": "surdo_aluminum_canonical",
          "default": true,
          "name": "Aluminum (canonical modern Rio escola)",
          "descriptors": [
            "aluminum-canonical-modern-rio-escola"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_wood_staved",
          "name": "Wood staved (pre-modern traditional)",
          "descriptors": [
            "wood-staved-pre-modern-traditional"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_steel",
          "name": "Steel (mass-produced)",
          "descriptors": [
            "steel-mass-produced"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "surdo_size",
      "surface": false,
      "name": "Size class",
      "variants": [
        {
          "id": "surdo_primeira",
          "default": true,
          "name": "Surdo de primeira (largest, downbeat)",
          "descriptors": [
            "foundational",
            "grounding"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_segunda",
          "name": "Surdo de segunda (mid)",
          "descriptors": [
            "off-beat",
            "responsive",
            "complementary"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_terceira",
          "name": "Surdo de terceira (smallest)",
          "descriptors": [
            "fills",
            "virtuoso",
            "responsive"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        }
      ]
    },
    {
      "id": "surdo_skin",
      "surface": false,
      "name": "Skin material",
      "variants": [
        {
          "id": "surdo_nylon",
          "default": true,
          "name": "Nylon (modern canonical Rio carnival)",
          "descriptors": [
            "nylon-canonical-rio-carnival"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_hide",
          "name": "Animal hide (pre-modern traditional)",
          "descriptors": [
            "hide-pre-modern-traditional"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_composite",
          "name": "Synthetic composite (professional)",
          "descriptors": [
            "synthetic-composite-professional"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        }
      ]
    },
    {
      "id": "surdo_shell",
      "surface": false,
      "name": "Shell material",
      "variants": [
        {
          "id": "surdo_aluminum_canonical",
          "default": true,
          "name": "Aluminum (canonical modern Rio escola)",
          "descriptors": [
            "aluminum-canonical-modern-rio-escola"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_wood_staved",
          "name": "Wood staved (pre-modern traditional)",
          "descriptors": [
            "wood-staved-pre-modern-traditional"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        },
        {
          "id": "surdo_steel",
          "name": "Steel (mass-produced)",
          "descriptors": [
            "steel-mass-produced"
          ],
          "match_tokens": [
            "percussive-attack",
            "low-register"
          ]
        }
      ]
    }
  ]
}