{
  "comments": {
    "new": "ISBN: 1-57709-962-1\n\nIFPI L239 & L240 discs: MCN unverified",
    "old": "ISBN: 1-57709-962-1"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "-12, 0",
      "old": "-12"
    }
  },
  "ring_codes": {
    "new": "682001 R4F\tA IFPI L240 13 IFPI 4157\n682001 R8J\tA IFPI L239 11\n682001 R3H\tA IFPI L238 12 IFPI 4121",
    "old": "682001 R4F\tA IFPI L240 13 IFPI 4157\n682001 R8J\tA IFPI L239 11"
  }
}