{
  "id": "square_piano",
  "name": "Square piano (rectangular early fortepiano)",
  "family": "keyboard",
  "class": "keyboard_acoustic",
  "axes": {
    "pitchFix": 2,
    "sustain": 1,
    "polyphony": 2,
    "harmonicity": 1,
    "register": 0,
    "range": 1,
    "articulation": 0,
    "transduction": -2,
    "dynamics": 1
  },
  "short": "square piano",
  "parts": [
    {
      "id": "keyboard_technique",
      "name": "Playing approach",
      "variants": [
        {
          "id": "keyboard_block_chord_pop",
          "default": true,
          "name": "Block-chord pop",
          "descriptors": [
            "block-chord"
          ],
          "match_tokens": [
            "chordal",
            "keyboard-driven"
          ],
          "canonical_tags": [
            "pop",
            "singer-songwriter"
          ]
        }
      ],
      "_fromFamily": true
    },
    {
      "id": "square_era",
      "name": "Period / action",
      "variants": [
        {
          "id": "square_english_18c",
          "default": true,
          "name": "English single-action square (c.1770-1800)",
          "descriptors": [
            "silvery",
            "fast-decay",
            "intimate"
          ],
          "match_tokens": [
            "fortepiano",
            "struck-string"
          ]
        },
        {
          "id": "square_double_action",
          "name": "Broadwood double-action square (c.1800-1820)",
          "descriptors": [
            "fuller",
            "warmer"
          ],
          "match_tokens": [
            "fortepiano"
          ]
        },
        {
          "id": "square_american_19c",
          "name": "Heavy American square grand (mid-19th c.)",
          "descriptors": [
            "thick-toned",
            "robust"
          ],
          "match_tokens": [
            "piano",
            "struck-string"
          ]
        }
      ]
    },
    {
      "id": "square_stops",
      "name": "Stops / pedals",
      "variants": [
        {
          "id": "square_damper_lift",
          "default": true,
          "name": "Damper lift (hand stop or pedal)",
          "descriptors": [
            "ringing",
            "blended"
          ],
          "match_tokens": [
            "sustained"
          ]
        },
        {
          "id": "square_buff",
          "name": "Buff / lute stop",
          "descriptors": [
            "muted",
            "pizzicato-like"
          ],
          "match_tokens": [
            "damped"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "square_era",
      "name": "Period / action",
      "variants": [
        {
          "id": "square_english_18c",
          "default": true,
          "name": "English single-action square (c.1770-1800)",
          "descriptors": [
            "silvery",
            "fast-decay",
            "intimate"
          ],
          "match_tokens": [
            "fortepiano",
            "struck-string"
          ]
        },
        {
          "id": "square_double_action",
          "name": "Broadwood double-action square (c.1800-1820)",
          "descriptors": [
            "fuller",
            "warmer"
          ],
          "match_tokens": [
            "fortepiano"
          ]
        },
        {
          "id": "square_american_19c",
          "name": "Heavy American square grand (mid-19th c.)",
          "descriptors": [
            "thick-toned",
            "robust"
          ],
          "match_tokens": [
            "piano",
            "struck-string"
          ]
        }
      ]
    },
    {
      "id": "square_stops",
      "name": "Stops / pedals",
      "variants": [
        {
          "id": "square_damper_lift",
          "default": true,
          "name": "Damper lift (hand stop or pedal)",
          "descriptors": [
            "ringing",
            "blended"
          ],
          "match_tokens": [
            "sustained"
          ]
        },
        {
          "id": "square_buff",
          "name": "Buff / lute stop",
          "descriptors": [
            "muted",
            "pizzicato-like"
          ],
          "match_tokens": [
            "damped"
          ]
        }
      ]
    }
  ]
}