{
  "comments": {
    "new": "PC/Mac Hybrid\n\nVolume Label: MARIOFUN\n\nISBN: 42138295",
    "old": "ISBN: 42138295\n\nPC/Mac Hybrid"
  },
  "ring_codes": {
    "new": "*2R* 42138295\tB IFPI L431 A3, A1 IFPI 7495",
    "old": "*2R* 42138295\tB IFPI L431 EV IFPI 7495"
  },
  "serial": {
    "new": "DP4, P1",
    "old": "DP4"
  }
}