{
  "barcode": {
    "new": "0 40421 00632 8",
    "old": "040421006328"
  },
  "comments": {
    "new": "ISBN: 1-57629-517-6"
  },
  "error_count": {
    "new": "1"
  },
  "ring_codes": {
    "new": "IFPI 500B\nPSRM-015660\t1 IFPI L325 A02 IFPI 5026",
    "old": "IFPI 500B"
  }
}