{
  "comments": {
    "new": "Volume Label: ICB_CD1"
  },
  "legacy": {
    "write_offset": {
      "new": "-12"
    }
  },
  "ring_codes": {
    "new": "MPO\t5053316CD1 26 SEP 00 @@\t2000926 0853 @@ 4 IFPI L032 01 IFPI 1216",
    "old": "5053316CD1 26 SEP 00 @@ 01"
  }
}