{
  "comments": {
    "new": "ISBN: 1-57629-346-7"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "+2"
    }
  },
  "ring_codes": {
    "new": "PSRM-011310\t1 IFPI L330 A02 IFPI 506C"
  }
}