{
  "barcode": {
    "new": "6 61204 41001 1, 6 61204 61002 2",
    "old": "6 61204 61002 2"
  },
  "comments": {
    "new": "ISBN: 1-930552-18-1"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "-647"
    }
  },
  "ring_codes": {
    "new": "PSRM-019740\t2 IFPI L325 A05 IFPI 5022",
    "old": "PSRM-019740 2"
  }
}