{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:MusicPlaylist",
  "title": "MusicPlaylist",
  "description": "A collection of music tracks in playlist form.",
  "type": "object",
  "allOf": [
    {
      "description": "The most generic kind of creative work, including books, movies, photographs, software programs, etc.",
      "$ref": "schema:CreativeWork"
    }
  ],
  "properties": {
    "numTracks": {
      "description": "The number of tracks in this album or playlist.",
      "type": "integer"
    },
    "track": {
      "description": "A music recording (track)—usually a single song. If an ItemList is given, the list should contain items of type MusicRecording.",
      "oneOf": [
        {
          "anyOf": [
            { "$ref": "schema:ItemList" },
            { "$ref": "schema:MusicRecording" }
          ]
        },
        {
          "type": "array",
          "items": {
            "anyOf": [
              { "$ref": "schema:ItemList" },
              { "$ref": "schema:MusicRecording" }
            ]
          }
        }
      ]
    },
    "tracks": {
      "description": "A music recording (track)—usually a single song.",
      "oneOf": [
        { "$ref": "schema:MusicRecording" },
        { "type": "array", "items": { "$ref": "schema:MusicRecording" } }
      ]
    }
  }
}