{
  "comments": {
    "new": "ISBN: 1-58416-001-2"
  },
  "legacy": {
    "write_offset": {
      "new": "+2"
    }
  },
  "ring_codes": {
    "new": "PSRM-013580\t1 IFPI L330 A01 IFPI 5029",
    "old": "IFPI 5029"
  }
}