{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://musicbrainz.org/schemas/release",
  "title": "MusicBrainz Release",
  "description": "Schema for a MusicBrainz Release entity (a specific issue of a release group) as returned by the Web Service v2.",
  "type": "object",
  "properties": {
    "id": {"$ref": "#/$defs/MBID"},
    "title": {"type": "string", "examples": ["Nevermind"]},
    "status": {"type": ["string", "null"], "enum": ["Official", "Promotion", "Bootleg", "Pseudo-Release", "Withdrawn", "Cancelled", null]},
    "status-id": {"type": ["string", "null"]},
    "quality": {"type": "string", "enum": ["low", "normal", "high"]},
    "packaging": {"type": ["string", "null"], "examples": ["Jewel Case", "Digipak", "None"]},
    "packaging-id": {"type": ["string", "null"]},
    "language": {"type": ["string", "null"], "description": "ISO 639-3 language code.", "examples": ["eng"]},
    "script": {"type": ["string", "null"], "description": "ISO 15924 script code.", "examples": ["Latn"]},
    "date": {"type": ["string", "null"], "description": "Release date (year, year-month, or full ISO date).", "examples": ["1991-09-24"]},
    "country": {"type": ["string", "null"], "description": "ISO 3166-1 alpha-2 country code."},
    "barcode": {"type": ["string", "null"], "description": "GTIN/EAN/UPC barcode.", "examples": ["720642442524"]},
    "asin": {"type": ["string", "null"]},
    "disambiguation": {"type": "string"},
    "artist-credit": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {"type": "string"},
          "joinphrase": {"type": "string"},
          "artist": {"type": "object", "properties": {"id": {"$ref": "#/$defs/MBID"}, "name": {"type": "string"}, "sort-name": {"type": "string"}}}
        }
      }
    },
    "release-group": {
      "type": "object",
      "properties": {
        "id": {"$ref": "#/$defs/MBID"},
        "title": {"type": "string"},
        "primary-type": {"type": ["string", "null"]},
        "secondary-types": {"type": "array", "items": {"type": "string"}}
      }
    },
    "label-info": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "catalog-number": {"type": ["string", "null"]},
          "label": {
            "type": "object",
            "properties": {
              "id": {"$ref": "#/$defs/MBID"},
              "name": {"type": "string"},
              "sort-name": {"type": "string"},
              "label-code": {"type": ["integer", "null"]}
            }
          }
        }
      }
    },
    "media": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "position": {"type": "integer", "minimum": 1},
          "format": {"type": "string", "examples": ["CD", "12\" Vinyl", "Digital Media"]},
          "format-id": {"type": "string"},
          "title": {"type": "string"},
          "track-count": {"type": "integer", "minimum": 0},
          "tracks": {"type": "array", "items": {"$ref": "#/$defs/Track"}},
          "discs": {"type": "array", "items": {"$ref": "#/$defs/Disc"}}
        }
      }
    },
    "cover-art-archive": {
      "type": "object",
      "properties": {
        "artwork": {"type": "boolean"},
        "count": {"type": "integer", "minimum": 0},
        "front": {"type": "boolean"},
        "back": {"type": "boolean"},
        "darkened": {"type": "boolean"}
      }
    },
    "text-representation": {
      "type": "object",
      "properties": {
        "language": {"type": ["string", "null"]},
        "script": {"type": ["string", "null"]}
      }
    }
  },
  "required": ["id", "title"],
  "$defs": {
    "MBID": {"type": "string", "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"},
    "Track": {
      "type": "object",
      "properties": {
        "id": {"$ref": "#/$defs/MBID"},
        "position": {"type": "integer"},
        "number": {"type": "string"},
        "title": {"type": "string"},
        "length": {"type": ["integer", "null"], "description": "Length in milliseconds."},
        "recording": {
          "type": "object",
          "properties": {
            "id": {"$ref": "#/$defs/MBID"},
            "title": {"type": "string"},
            "length": {"type": ["integer", "null"]},
            "video": {"type": "boolean"}
          }
        }
      },
      "required": ["id", "position", "title"]
    },
    "Disc": {
      "type": "object",
      "properties": {
        "id": {"type": "string", "description": "28-character MusicBrainz Disc ID."},
        "sectors": {"type": "integer"},
        "offsets": {"type": "array", "items": {"type": "integer"}}
      }
    }
  }
}