{
  "title": "D major seventh",
  "formula": "1 3 5 7",
  "notes": [
    "D",
    "F#",
    "A",
    "C#"
  ],
  "variants": [
    {
      "label": "Root position · middle register",
      "midi": [
        50,
        54,
        57,
        61
      ],
      "arpeggio": false
    },
    {
      "label": "Root position · upper register",
      "midi": [
        62,
        66,
        69,
        73
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 1 · middle register",
      "midi": [
        54,
        57,
        61,
        62
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 1 · upper register",
      "midi": [
        66,
        69,
        73,
        74
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 2 · middle register",
      "midi": [
        57,
        61,
        62,
        66
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 2 · upper register",
      "midi": [
        69,
        73,
        74,
        78
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 3 · middle register",
      "midi": [
        61,
        62,
        66,
        69
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 3 · upper register",
      "midi": [
        73,
        74,
        78,
        81
      ],
      "arpeggio": false
    }
  ],
  "license": "CC-BY-4.0",
  "attribution": "Artistry Piano",
  "source": "https://artistryalliance.net/chords/d-major-7/"
}