{
  "comments": {
    "new": "ISBN: 0-87321-247-9"
  },
  "error_count": {
    "new": "0"
  },
  "ring_codes": {
    "new": "IFPI 5013\nPSRM-012210\t1 IFPI L330 A12 IFPI 5027",
    "old": "IFPI 5013"
  }
}