{
  "schema_version": 1,
  "catalog_version": 1,
  "songs": [
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      "id": "DEMO-MM-001",
      "title": "နမူနာ ချီးမွမ်းသီချင်း",
      "language": "my",
      "key": "C",
      "version": 1,
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    },
    {
      "id": "DEMO-EN-001",
      "title": "A Song of Thanks (Demo)",
      "language": "en",
      "key": "G",
      "version": 1,
      "path": "songs/en/DEMO-EN-001.txt",
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    {
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      "title": "感恩的歌（示例）",
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      "key": "D",
      "version": 1,
      "path": "songs/zh/DEMO-ZH-001.txt",
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