{
  "barcode": {
    "new": "6 61204 51001 8",
    "old": "661204510018"
  },
  "comments": {
    "new": "ISBN: 1-930552-20-3"
  },
  "ring_codes": {
    "new": "IFPI 7231\nIFPI 7235",
    "old": "IFPI 7231"
  }
}