{
  "comments": {
    "new": "ISBN: 0-7845-1497-6"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "+2"
    }
  },
  "ring_codes": {
    "new": "IFPI 501B\nIFPI 5022",
    "old": "IFPI 501B"
  }
}