{
  "title": "A dominant seventh",
  "formula": "1 3 5 b7",
  "notes": [
    "A",
    "C#",
    "E",
    "G"
  ],
  "variants": [
    {
      "label": "Root position · middle register",
      "midi": [
        57,
        61,
        64,
        67
      ],
      "arpeggio": false
    },
    {
      "label": "Root position · upper register",
      "midi": [
        69,
        73,
        76,
        79
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 1 · middle register",
      "midi": [
        61,
        64,
        67,
        69
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 1 · upper register",
      "midi": [
        73,
        76,
        79,
        81
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 2 · middle register",
      "midi": [
        64,
        67,
        69,
        73
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 2 · upper register",
      "midi": [
        76,
        79,
        81,
        85
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 3 · middle register",
      "midi": [
        67,
        69,
        73,
        76
      ],
      "arpeggio": false
    },
    {
      "label": "Inversion 3 · upper register",
      "midi": [
        79,
        81,
        85,
        88
      ],
      "arpeggio": false
    }
  ],
  "license": "CC-BY-4.0",
  "attribution": "Artistry Piano",
  "source": "https://artistryalliance.net/chords/a-dominant-7/"
}