{
  "name": "Persian Music Scales Dataset",
  "schemaVersion": "1.0",
  "creator": "Pouya Hosseini",
  "projectUrl": "https://persianmusicscales.github.io/Persian-Music-Scales-App/",
  "unit": "cents",
  "octaveCents": 1200,
  "angleConversion": "angleDegrees = cents * 360 / 1200",
  "modelNote": "These are educational pitch-collection models used by the Persian Music Scales application. They should not be interpreted as complete definitions of dastgah or gusheh identity.",
  "scales": [
    {
      "id": "shur",
      "name": "Shur",
      "persianName": "شور",
      "anglesDegrees": [
        0,
        45,
        90,
        150,
        210,
        240,
        300
      ],
      "cumulativeCents": [
        0,
        150,
        300,
        500,
        700,
        800,
        1000
      ],
      "stepIntervalsCents": [
        150,
        150,
        200,
        200,
        100,
        200,
        200
      ]
    },
    {
      "id": "nava",
      "name": "Nava",
      "persianName": "نوا",
      "anglesDegrees": [
        0,
        60,
        90,
        150,
        210,
        255,
        300
      ],
      "cumulativeCents": [
        0,
        200,
        300,
        500,
        700,
        850,
        1000
      ],
      "stepIntervalsCents": [
        200,
        100,
        200,
        200,
        150,
        150,
        200
      ]
    },
    {
      "id": "segah",
      "name": "Segah",
      "persianName": "سه‌گاه",
      "anglesDegrees": [
        0,
        60,
        105,
        150,
        210,
        255,
        300
      ],
      "cumulativeCents": [
        0,
        200,
        350,
        500,
        700,
        850,
        1000
      ],
      "stepIntervalsCents": [
        200,
        150,
        150,
        200,
        150,
        150,
        200
      ]
    },
    {
      "id": "homayoun",
      "name": "Homayoun",
      "persianName": "همایون",
      "anglesDegrees": [
        0,
        45,
        120,
        150,
        210,
        240,
        300
      ],
      "cumulativeCents": [
        0,
        150,
        400,
        500,
        700,
        800,
        1000
      ],
      "stepIntervalsCents": [
        150,
        250,
        100,
        200,
        100,
        200,
        200
      ]
    },
    {
      "id": "esfahan",
      "name": "Esfahan",
      "persianName": "اصفهان",
      "anglesDegrees": [
        0,
        60,
        90,
        150,
        210,
        255,
        330
      ],
      "cumulativeCents": [
        0,
        200,
        300,
        500,
        700,
        850,
        1100
      ],
      "stepIntervalsCents": [
        200,
        100,
        200,
        200,
        150,
        250,
        100
      ]
    },
    {
      "id": "chahargah",
      "name": "Chahargah",
      "persianName": "چهارگاه",
      "anglesDegrees": [
        0,
        45,
        120,
        150,
        210,
        255,
        330
      ],
      "cumulativeCents": [
        0,
        150,
        400,
        500,
        700,
        850,
        1100
      ],
      "stepIntervalsCents": [
        150,
        250,
        100,
        200,
        150,
        250,
        100
      ]
    },
    {
      "id": "mahur-rast-panjgah",
      "name": "Mahur / Rast Panjgah",
      "persianName": "ماهور / راست پنجگاه",
      "anglesDegrees": [
        0,
        60,
        120,
        150,
        210,
        270,
        330
      ],
      "cumulativeCents": [
        0,
        200,
        400,
        500,
        700,
        900,
        1100
      ],
      "stepIntervalsCents": [
        200,
        200,
        100,
        200,
        200,
        200,
        100
      ],
      "note": "The current application uses this shared pitch-collection representation. This does not imply that Mahur and Rast Panjgah are identical modal systems."
    }
  ]
}