{
  "barcode": {
    "new": "0 47875 10300 9",
    "old": "047875103009"
  },
  "comments": {
    "new": "ISBN: 0-87321-240-1"
  },
  "legacy": {
    "write_offset": {
      "new": "+2"
    }
  },
  "ring_codes": {
    "new": "PSRM-009840\tG4 \t1C\t18 IFPI L424 IFPI 7201 P\t8"
  }
}