{
  "id": "octobass",
  "name": "Octobass (Vuillaume 3.5 m lever-stopped contrabass)",
  "family": "bowed",
  "class": "bass",
  "axes": {
    "pitchFix": 1,
    "sustain": 2,
    "polyphony": -2,
    "harmonicity": 0,
    "register": -2,
    "range": -1,
    "articulation": 0,
    "transduction": -2,
    "dynamics": 0
  },
  "short": "octobass",
  "parts": [
    {
      "id": "bowed_technique",
      "name": "Bow technique",
      "variants": [
        {
          "id": "bowed_legato_classical",
          "default": true,
          "name": "Classical legato",
          "descriptors": [
            "legato",
            "sustained"
          ],
          "match_tokens": [
            "bowed",
            "sustained-tone",
            "classical",
            "classical-trained"
          ],
          "canonical_tags": [
            "classical"
          ]
        }
      ],
      "_fromFamily": true
    },
    {
      "id": "octobass_tuning",
      "name": "Tuning",
      "variants": [
        {
          "id": "octobass_tuning_berlioz_c1",
          "default": true,
          "name": "Berlioz C1–G1–C2 (bottom C an octave below the cello's low C)",
          "descriptors": [
            "sub-bass",
            "foundational",
            "historical-canonical"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "low-register",
            "orchestral"
          ],
          "canonical_tags": [
            "historical",
            "orchestral"
          ]
        },
        {
          "id": "octobass_tuning_modern_c0",
          "name": "Modern subsonic C0–G0–D1 (Phoenix MIM instrument)",
          "descriptors": [
            "sub-bass",
            "deep",
            "rare"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "low-register"
          ],
          "canonical_tags": [
            "modern"
          ]
        },
        {
          "id": "octobass_tuning_a0_e1_b1",
          "name": "A0–E1–B1 (Orchestre symphonique de Montréal practice)",
          "descriptors": [
            "sub-bass",
            "foundational",
            "concert"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "orchestral"
          ],
          "canonical_tags": [
            "modern",
            "concert"
          ]
        }
      ]
    },
    {
      "id": "octobass_stopping",
      "name": "Stopping mechanism",
      "variants": [
        {
          "id": "octobass_stopping_pedal_levers",
          "default": true,
          "name": "Hand levers and foot pedals driving metal clamps over the neck",
          "descriptors": [
            "mechanical",
            "pedal",
            "historical-canonical"
          ],
          "match_tokens": [
            "bowed",
            "low-register",
            "acoustic-only"
          ],
          "canonical_tags": [
            "historical",
            "paris"
          ]
        },
        {
          "id": "octobass_stopping_open_strings",
          "name": "Open strings only (drone / pedal-point use)",
          "descriptors": [
            "open-string",
            "droning",
            "sub-bass"
          ],
          "match_tokens": [
            "bowed",
            "drone-foundation",
            "bass-register"
          ],
          "canonical_tags": [
            "drone"
          ]
        }
      ]
    },
    {
      "id": "octobass_function",
      "name": "Orchestral function",
      "variants": [
        {
          "id": "octobass_function_octave_doubling",
          "default": true,
          "name": "Doubling the bass section an octave below (Berlioz's grand-orchestra intent)",
          "descriptors": [
            "foundational",
            "octave-doubled",
            "blended"
          ],
          "match_tokens": [
            "bowed",
            "foundational-bass",
            "orchestral",
            "low-register"
          ],
          "canonical_tags": [
            "orchestral",
            "historical"
          ]
        },
        {
          "id": "octobass_function_sub_effect",
          "name": "Felt-more-than-heard sub-bass effect / drone",
          "descriptors": [
            "sub-bass",
            "droning",
            "atmospheric"
          ],
          "match_tokens": [
            "bowed",
            "drone-foundation",
            "bass-register"
          ],
          "canonical_tags": [
            "modern"
          ]
        },
        {
          "id": "octobass_function_solo_spectacle",
          "name": "Isolated solo spectacle / demonstration piece",
          "descriptors": [
            "rare",
            "display",
            "theatrical"
          ],
          "match_tokens": [
            "bowed",
            "soloistic",
            "concert"
          ],
          "canonical_tags": [
            "concert",
            "modern"
          ]
        }
      ]
    },
    {
      "id": "octobass_strings",
      "name": "String material",
      "variants": [
        {
          "id": "octobass_strings_wound_gut",
          "default": true,
          "name": "Very thick wound gut (Vuillaume-era)",
          "descriptors": [
            "silver-wound",
            "large-diameter",
            "high-tension"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "period-performance"
          ],
          "canonical_tags": [
            "historical-gut",
            "historic"
          ]
        },
        {
          "id": "octobass_strings_steel_modern",
          "name": "Modern steel-core (playable replicas)",
          "descriptors": [
            "steel",
            "high-tension",
            "modern"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "modern"
          ],
          "canonical_tags": [
            "steel",
            "modern"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "octobass_tuning",
      "name": "Tuning",
      "variants": [
        {
          "id": "octobass_tuning_berlioz_c1",
          "default": true,
          "name": "Berlioz C1–G1–C2 (bottom C an octave below the cello's low C)",
          "descriptors": [
            "sub-bass",
            "foundational",
            "historical-canonical"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "low-register",
            "orchestral"
          ],
          "canonical_tags": [
            "historical",
            "orchestral"
          ]
        },
        {
          "id": "octobass_tuning_modern_c0",
          "name": "Modern subsonic C0–G0–D1 (Phoenix MIM instrument)",
          "descriptors": [
            "sub-bass",
            "deep",
            "rare"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "low-register"
          ],
          "canonical_tags": [
            "modern"
          ]
        },
        {
          "id": "octobass_tuning_a0_e1_b1",
          "name": "A0–E1–B1 (Orchestre symphonique de Montréal practice)",
          "descriptors": [
            "sub-bass",
            "foundational",
            "concert"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "orchestral"
          ],
          "canonical_tags": [
            "modern",
            "concert"
          ]
        }
      ]
    },
    {
      "id": "octobass_stopping",
      "name": "Stopping mechanism",
      "variants": [
        {
          "id": "octobass_stopping_pedal_levers",
          "default": true,
          "name": "Hand levers and foot pedals driving metal clamps over the neck",
          "descriptors": [
            "mechanical",
            "pedal",
            "historical-canonical"
          ],
          "match_tokens": [
            "bowed",
            "low-register",
            "acoustic-only"
          ],
          "canonical_tags": [
            "historical",
            "paris"
          ]
        },
        {
          "id": "octobass_stopping_open_strings",
          "name": "Open strings only (drone / pedal-point use)",
          "descriptors": [
            "open-string",
            "droning",
            "sub-bass"
          ],
          "match_tokens": [
            "bowed",
            "drone-foundation",
            "bass-register"
          ],
          "canonical_tags": [
            "drone"
          ]
        }
      ]
    },
    {
      "id": "octobass_function",
      "name": "Orchestral function",
      "variants": [
        {
          "id": "octobass_function_octave_doubling",
          "default": true,
          "name": "Doubling the bass section an octave below (Berlioz's grand-orchestra intent)",
          "descriptors": [
            "foundational",
            "octave-doubled",
            "blended"
          ],
          "match_tokens": [
            "bowed",
            "foundational-bass",
            "orchestral",
            "low-register"
          ],
          "canonical_tags": [
            "orchestral",
            "historical"
          ]
        },
        {
          "id": "octobass_function_sub_effect",
          "name": "Felt-more-than-heard sub-bass effect / drone",
          "descriptors": [
            "sub-bass",
            "droning",
            "atmospheric"
          ],
          "match_tokens": [
            "bowed",
            "drone-foundation",
            "bass-register"
          ],
          "canonical_tags": [
            "modern"
          ]
        },
        {
          "id": "octobass_function_solo_spectacle",
          "name": "Isolated solo spectacle / demonstration piece",
          "descriptors": [
            "rare",
            "display",
            "theatrical"
          ],
          "match_tokens": [
            "bowed",
            "soloistic",
            "concert"
          ],
          "canonical_tags": [
            "concert",
            "modern"
          ]
        }
      ]
    },
    {
      "id": "octobass_strings",
      "name": "String material",
      "variants": [
        {
          "id": "octobass_strings_wound_gut",
          "default": true,
          "name": "Very thick wound gut (Vuillaume-era)",
          "descriptors": [
            "silver-wound",
            "large-diameter",
            "high-tension"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "period-performance"
          ],
          "canonical_tags": [
            "historical-gut",
            "historic"
          ]
        },
        {
          "id": "octobass_strings_steel_modern",
          "name": "Modern steel-core (playable replicas)",
          "descriptors": [
            "steel",
            "high-tension",
            "modern"
          ],
          "match_tokens": [
            "bowed",
            "bass-register",
            "modern"
          ],
          "canonical_tags": [
            "steel",
            "modern"
          ]
        }
      ]
    }
  ]
}