{
  "comments": {
    "new": "Volume Label: ICB_CD2"
  },
  "legacy": {
    "write_offset": {
      "new": "-12"
    }
  },
  "ring_codes": {
    "new": "MPO\t5053316CD2 27 SEP 00 @@\t20000927 0323 @@ 4 IFPI L032 02 IFPI 122B",
    "old": "5053316CD2 27 SEP 00 @@ 02"
  }
}