{
  "id": "svirel",
  "name": "Svirel (Russian wooden duct whistle flute)",
  "family": "wind",
  "class": "duct_flute",
  "axes": {
    "pitchFix": 1,
    "sustain": 1,
    "polyphony": -2,
    "harmonicity": 2,
    "register": 2,
    "range": 0,
    "articulation": 0,
    "transduction": -2,
    "dynamics": -1
  },
  "short": "svirel",
  "parts": [
    {
      "id": "svirel_form",
      "name": "Form",
      "variants": [
        {
          "id": "svirel_single",
          "default": true,
          "name": "Single six-hole svirel (willow or maple)",
          "descriptors": [
            "bright-whistle",
            "airy-tone"
          ],
          "match_tokens": [
            "duct-flute",
            "russian-folk"
          ]
        },
        {
          "id": "svirel_double",
          "name": "Dvoychatka (paired svirel, melody plus drone)",
          "descriptors": [
            "droning",
            "beating-tone"
          ],
          "match_tokens": [
            "duct-flute",
            "drone-foundation"
          ]
        }
      ]
    },
    {
      "id": "svirel_material",
      "name": "Body material",
      "variants": [
        {
          "id": "svirel_willow",
          "default": true,
          "name": "Willow / elder tube",
          "descriptors": [
            "soft-toned",
            "woody"
          ],
          "match_tokens": [
            "duct-flute"
          ]
        },
        {
          "id": "svirel_maple",
          "name": "Maple or fruitwood tube",
          "descriptors": [
            "bright-attack",
            "focused"
          ],
          "match_tokens": [
            "duct-flute"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "svirel_form",
      "name": "Form",
      "variants": [
        {
          "id": "svirel_single",
          "default": true,
          "name": "Single six-hole svirel (willow or maple)",
          "descriptors": [
            "bright-whistle",
            "airy-tone"
          ],
          "match_tokens": [
            "duct-flute",
            "russian-folk"
          ]
        },
        {
          "id": "svirel_double",
          "name": "Dvoychatka (paired svirel, melody plus drone)",
          "descriptors": [
            "droning",
            "beating-tone"
          ],
          "match_tokens": [
            "duct-flute",
            "drone-foundation"
          ]
        }
      ]
    },
    {
      "id": "svirel_material",
      "name": "Body material",
      "variants": [
        {
          "id": "svirel_willow",
          "default": true,
          "name": "Willow / elder tube",
          "descriptors": [
            "soft-toned",
            "woody"
          ],
          "match_tokens": [
            "duct-flute"
          ]
        },
        {
          "id": "svirel_maple",
          "name": "Maple or fruitwood tube",
          "descriptors": [
            "bright-attack",
            "focused"
          ],
          "match_tokens": [
            "duct-flute"
          ]
        }
      ]
    }
  ]
}