{
  "comments": {
    "new": "ISBN: 0-7911-2455-X"
  },
  "error_count": {
    "new": "0"
  },
  "ring_codes": {
    "new": "PSRM-003800\t2 IFPI L330 IFPI 5100",
    "old": "IFPI 5100"
  }
}