{
  "barcode": {
    "new": "743931760055, 743931760123",
    "old": "743931760055"
  },
  "comments": {
    "new": "Additional serial: CDRS1169590",
    "old": "MCN unverified"
  },
  "edition": {
    "new": "Gold Medal 12 CD Pack, Super 16 CD Pak Volume 2",
    "old": "Gold Medal 12 CD Pack"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "cdtext_catalog": {
      "new": "0000000000000"
    },
    "write_offset": {
      "new": "+222"
    }
  },
  "ring_codes": {
    "new": "DISC MFG., INC.\tW.O. 509097-2\t509097 IFPI L803 IFPI 2F50, IFPI 2F63",
    "old": "W.O. 509097-2\t509097\tDISC MFG., INC. IFPI L803 IFPI 2F50"
  }
}