{
  "barcode": {
    "new": "0 8616-20055-3 4",
    "old": "0 86162 00553 4"
  },
  "comments": {
    "new": "ISBN: 0-7939-0553-2"
  },
  "error_count": {
    "new": "1"
  },
  "ring_codes": {
    "new": "IFPI 507F"
  }
}