{
  "id": "atumpan",
  "name": "Atumpan (Akan talking-drum pair)",
  "family": "percussion",
  "class": "membranophone",
  "axes": {
    "pitchFix": 1,
    "sustain": -1,
    "polyphony": 0,
    "harmonicity": 0,
    "register": -1,
    "range": -1,
    "articulation": 1,
    "transduction": -2,
    "dynamics": 1
  },
  "short": "atumpan",
  "parts": [
    {
      "id": "atumpan_mode",
      "name": "Performance mode",
      "variants": [
        {
          "id": "atumpan_ayan_speech",
          "default": true,
          "name": "Ayan drum poetry (speech-surrogate appellations, free rhythm)",
          "descriptors": [
            "declamatory",
            "free-rhythm",
            "praise-song",
            "sparse"
          ],
          "match_tokens": [
            "struck",
            "speech-derived",
            "talking"
          ],
          "canonical_tags": [
            "akan",
            "asante",
            "praise"
          ]
        },
        {
          "id": "atumpan_ensemble_role",
          "name": "Locked rhythm role inside adowa / kete",
          "descriptors": [
            "interlocking",
            "dance-driving",
            "ensemble"
          ],
          "match_tokens": [
            "struck",
            "ensemble",
            "dance-driving"
          ],
          "canonical_tags": [
            "asante",
            "kete",
            "dance"
          ]
        },
        {
          "id": "atumpan_fontomfrom_battery",
          "name": "Seated inside the fontomfrom court battery",
          "descriptors": [
            "ceremonial",
            "courtly",
            "processional"
          ],
          "match_tokens": [
            "struck",
            "ensemble",
            "processional"
          ],
          "canonical_tags": [
            "akan",
            "court",
            "ceremonial"
          ]
        },
        {
          "id": "atumpan_signal_call",
          "name": "Announcement, summons and long-distance signalling",
          "descriptors": [
            "projecting",
            "declamatory",
            "stately"
          ],
          "match_tokens": [
            "struck",
            "loud-projection",
            "speech-derived"
          ],
          "canonical_tags": [
            "akan",
            "ghana"
          ]
        }
      ]
    },
    {
      "id": "atumpan_interval",
      "name": "Male/female pitch interval",
      "variants": [
        {
          "id": "atumpan_narrow_third",
          "default": true,
          "name": "Narrow (about a third — maximum speech intelligibility)",
          "descriptors": [
            "narrow",
            "vocal",
            "inflected"
          ],
          "match_tokens": [
            "struck",
            "speech-derived",
            "two-tone"
          ],
          "canonical_tags": [
            "akan",
            "asante"
          ]
        },
        {
          "id": "atumpan_wide_fifth",
          "name": "Wide (a fifth or more — musical contrast)",
          "descriptors": [
            "wide",
            "melodic",
            "paired"
          ],
          "match_tokens": [
            "struck",
            "two-tone",
            "melodic"
          ],
          "canonical_tags": [
            "akan"
          ]
        }
      ]
    },
    {
      "id": "atumpan_stroke",
      "name": "Beater & stroke",
      "variants": [
        {
          "id": "atumpan_curved_open",
          "default": true,
          "name": "Curved sticks, open ringing strokes",
          "descriptors": [
            "open-ringing",
            "projecting",
            "resonant"
          ],
          "match_tokens": [
            "struck",
            "stick-struck",
            "open-stroke"
          ],
          "canonical_tags": [
            "akan",
            "traditional"
          ]
        },
        {
          "id": "atumpan_damped",
          "name": "Damped / pressed strokes",
          "descriptors": [
            "muted",
            "dry",
            "clipped"
          ],
          "match_tokens": [
            "struck",
            "stick-struck",
            "muted"
          ],
          "canonical_tags": [
            "akan"
          ]
        },
        {
          "id": "atumpan_arm_pressure",
          "name": "Arm-pressure bending on the head",
          "descriptors": [
            "bent-pitch",
            "expressive",
            "vocal"
          ],
          "match_tokens": [
            "struck",
            "pitch-bend",
            "talking"
          ],
          "canonical_tags": [
            "akan",
            "praise"
          ]
        }
      ]
    },
    {
      "id": "atumpan_build",
      "name": "Shell & head build",
      "variants": [
        {
          "id": "atumpan_tweneboa_antelope",
          "default": true,
          "name": "Tweneboa log shell, antelope hide on ring-and-peg tension (canonical)",
          "descriptors": [
            "hardwood-shell",
            "archaic",
            "traditional"
          ],
          "match_tokens": [
            "struck",
            "wood-shell",
            "hide-head"
          ],
          "canonical_tags": [
            "asante",
            "traditional"
          ]
        },
        {
          "id": "atumpan_cowhide",
          "name": "Cowhide head (heavier, darker)",
          "descriptors": [
            "dark",
            "deep-toned",
            "warm"
          ],
          "match_tokens": [
            "struck",
            "hide-head",
            "low-register"
          ],
          "canonical_tags": [
            "ghana"
          ]
        },
        {
          "id": "atumpan_export_hardware",
          "name": "Export build with modern tuning hardware",
          "descriptors": [
            "modern",
            "contemporary",
            "pedagogical"
          ],
          "match_tokens": [
            "struck",
            "modern",
            "concert"
          ],
          "canonical_tags": [
            "modern",
            "concert"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "atumpan_mode",
      "name": "Performance mode",
      "variants": [
        {
          "id": "atumpan_ayan_speech",
          "default": true,
          "name": "Ayan drum poetry (speech-surrogate appellations, free rhythm)",
          "descriptors": [
            "declamatory",
            "free-rhythm",
            "praise-song",
            "sparse"
          ],
          "match_tokens": [
            "struck",
            "speech-derived",
            "talking"
          ],
          "canonical_tags": [
            "akan",
            "asante",
            "praise"
          ]
        },
        {
          "id": "atumpan_ensemble_role",
          "name": "Locked rhythm role inside adowa / kete",
          "descriptors": [
            "interlocking",
            "dance-driving",
            "ensemble"
          ],
          "match_tokens": [
            "struck",
            "ensemble",
            "dance-driving"
          ],
          "canonical_tags": [
            "asante",
            "kete",
            "dance"
          ]
        },
        {
          "id": "atumpan_fontomfrom_battery",
          "name": "Seated inside the fontomfrom court battery",
          "descriptors": [
            "ceremonial",
            "courtly",
            "processional"
          ],
          "match_tokens": [
            "struck",
            "ensemble",
            "processional"
          ],
          "canonical_tags": [
            "akan",
            "court",
            "ceremonial"
          ]
        },
        {
          "id": "atumpan_signal_call",
          "name": "Announcement, summons and long-distance signalling",
          "descriptors": [
            "projecting",
            "declamatory",
            "stately"
          ],
          "match_tokens": [
            "struck",
            "loud-projection",
            "speech-derived"
          ],
          "canonical_tags": [
            "akan",
            "ghana"
          ]
        }
      ]
    },
    {
      "id": "atumpan_interval",
      "name": "Male/female pitch interval",
      "variants": [
        {
          "id": "atumpan_narrow_third",
          "default": true,
          "name": "Narrow (about a third — maximum speech intelligibility)",
          "descriptors": [
            "narrow",
            "vocal",
            "inflected"
          ],
          "match_tokens": [
            "struck",
            "speech-derived",
            "two-tone"
          ],
          "canonical_tags": [
            "akan",
            "asante"
          ]
        },
        {
          "id": "atumpan_wide_fifth",
          "name": "Wide (a fifth or more — musical contrast)",
          "descriptors": [
            "wide",
            "melodic",
            "paired"
          ],
          "match_tokens": [
            "struck",
            "two-tone",
            "melodic"
          ],
          "canonical_tags": [
            "akan"
          ]
        }
      ]
    },
    {
      "id": "atumpan_stroke",
      "name": "Beater & stroke",
      "variants": [
        {
          "id": "atumpan_curved_open",
          "default": true,
          "name": "Curved sticks, open ringing strokes",
          "descriptors": [
            "open-ringing",
            "projecting",
            "resonant"
          ],
          "match_tokens": [
            "struck",
            "stick-struck",
            "open-stroke"
          ],
          "canonical_tags": [
            "akan",
            "traditional"
          ]
        },
        {
          "id": "atumpan_damped",
          "name": "Damped / pressed strokes",
          "descriptors": [
            "muted",
            "dry",
            "clipped"
          ],
          "match_tokens": [
            "struck",
            "stick-struck",
            "muted"
          ],
          "canonical_tags": [
            "akan"
          ]
        },
        {
          "id": "atumpan_arm_pressure",
          "name": "Arm-pressure bending on the head",
          "descriptors": [
            "bent-pitch",
            "expressive",
            "vocal"
          ],
          "match_tokens": [
            "struck",
            "pitch-bend",
            "talking"
          ],
          "canonical_tags": [
            "akan",
            "praise"
          ]
        }
      ]
    },
    {
      "id": "atumpan_build",
      "name": "Shell & head build",
      "variants": [
        {
          "id": "atumpan_tweneboa_antelope",
          "default": true,
          "name": "Tweneboa log shell, antelope hide on ring-and-peg tension (canonical)",
          "descriptors": [
            "hardwood-shell",
            "archaic",
            "traditional"
          ],
          "match_tokens": [
            "struck",
            "wood-shell",
            "hide-head"
          ],
          "canonical_tags": [
            "asante",
            "traditional"
          ]
        },
        {
          "id": "atumpan_cowhide",
          "name": "Cowhide head (heavier, darker)",
          "descriptors": [
            "dark",
            "deep-toned",
            "warm"
          ],
          "match_tokens": [
            "struck",
            "hide-head",
            "low-register"
          ],
          "canonical_tags": [
            "ghana"
          ]
        },
        {
          "id": "atumpan_export_hardware",
          "name": "Export build with modern tuning hardware",
          "descriptors": [
            "modern",
            "contemporary",
            "pedagogical"
          ],
          "match_tokens": [
            "struck",
            "modern",
            "concert"
          ],
          "canonical_tags": [
            "modern",
            "concert"
          ]
        }
      ]
    }
  ]
}