{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:MusicAlbum",
  "title": "MusicAlbum",
  "description": "A collection of music tracks.",
  "type": "object",
  "allOf": [
    {
      "description": "A collection of music tracks in playlist form.",
      "$ref": "schema:MusicPlaylist"
    }
  ],
  "properties": {
    "albumProductionType": {
      "description": "Classification of the album by its type of content: soundtrack, live album, studio album, etc.",
      "oneOf": [
        { "$ref": "schema:MusicAlbumProductionType" },
        {
          "type": "array",
          "items": { "$ref": "schema:MusicAlbumProductionType" }
        }
      ]
    },
    "albumRelease": {
      "description": "A release of this album.",
      "oneOf": [
        { "$ref": "schema:MusicRelease" },
        { "type": "array", "items": { "$ref": "schema:MusicRelease" } }
      ]
    },
    "albumReleaseType": {
      "description": "The kind of release which this album is: single, EP or album.",
      "$ref": "schema:MusicAlbumReleaseType"
    },
    "byArtist": {
      "description": "The artist that performed this album or recording.",
      "anyOf": [{ "$ref": "schema:MusicGroup" }, { "$ref": "schema:Person" }]
    }
  }
}