{
  "comments": {
    "new": "ISBN: 1-57629-226-6"
  },
  "legacy": {
    "write_offset": {
      "new": "+2"
    }
  },
  "ring_codes": {
    "new": "IFPI 50C5\nPSRM-003580\t1 IFPI L330 A14 IFPI 5030",
    "old": "IFPI 50C5"
  }
}