{
  "id": "choir_brother_duet",
  "name": "Close-harmony brother / sibling duet",
  "family": "ensemble",
  "class": "vocal_choir",
  "axes": {
    "pitchFix": -2,
    "sustain": 2,
    "polyphony": 0,
    "harmonicity": 1,
    "register": 0,
    "range": 1,
    "articulation": 2,
    "transduction": -2,
    "dynamics": 0
  },
  "short": "brother duet",
  "parts": [
    {
      "id": "arrangement",
      "surface": false,
      "name": "Harmony arrangement",
      "variants": [
        {
          "id": "thirds_above",
          "default": true,
          "name": "Thirds above (high harmony)",
          "descriptors": [
            "fast-decay-focused-low",
            "close"
          ],
          "match_tokens": [
            "choir-blendable",
            "close-harmony",
            "ensemble"
          ]
        },
        {
          "id": "unison_to_split",
          "name": "Unison-to-split-harmony arrangement",
          "descriptors": [
            "traditional",
            "chest-resonance-low-mid",
            "dynamic"
          ],
          "match_tokens": [
            "unison-doubled",
            "choir-blendable",
            "close-harmony"
          ]
        }
      ]
    },
    {
      "id": "tradition",
      "name": "Tradition",
      "variants": [
        {
          "id": "duet_country_brother",
          "default": true,
          "name": "Country / bluegrass brother duet",
          "descriptors": [
            "chest-resonance-low-mid",
            "foundational"
          ],
          "match_tokens": [
            "choir-blendable",
            "close-harmony"
          ]
        },
        {
          "id": "duet_gospel",
          "name": "Gospel duo",
          "descriptors": [
            "call-response",
            "fast-decay-focused-low",
            "foundational"
          ],
          "match_tokens": [
            "gospel-rooted",
            "choir-blendable"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "arrangement",
      "surface": false,
      "name": "Harmony arrangement",
      "variants": [
        {
          "id": "thirds_above",
          "default": true,
          "name": "Thirds above (high harmony)",
          "descriptors": [
            "fast-decay-focused-low",
            "close"
          ],
          "match_tokens": [
            "choir-blendable",
            "close-harmony",
            "ensemble"
          ]
        },
        {
          "id": "unison_to_split",
          "name": "Unison-to-split-harmony arrangement",
          "descriptors": [
            "traditional",
            "chest-resonance-low-mid",
            "dynamic"
          ],
          "match_tokens": [
            "unison-doubled",
            "choir-blendable",
            "close-harmony"
          ]
        }
      ]
    },
    {
      "id": "tradition",
      "name": "Tradition",
      "variants": [
        {
          "id": "duet_country_brother",
          "default": true,
          "name": "Country / bluegrass brother duet",
          "descriptors": [
            "chest-resonance-low-mid",
            "foundational"
          ],
          "match_tokens": [
            "choir-blendable",
            "close-harmony"
          ]
        },
        {
          "id": "duet_gospel",
          "name": "Gospel duo",
          "descriptors": [
            "call-response",
            "fast-decay-focused-low",
            "foundational"
          ],
          "match_tokens": [
            "gospel-rooted",
            "choir-blendable"
          ]
        }
      ]
    }
  ]
}