{
  "comments": {
    "new": "Volume Label: MDK2OEM\n\n-12 offset disc: No MCN",
    "old": "Volume Label: MDK2OEM"
  },
  "legacy": {
    "write_offset": {
      "new": "-12, 0",
      "old": "0"
    }
  },
  "ring_codes": {
    "new": "0001\t2201US0003025 IFPI L473 IFPI 3E03\n0001\t2201US0003025 IFPI L471",
    "old": "0001\t2201US0003025 IFPI L473 IFPI 3E03"
  }
}