{
  "comments": {
    "new": "ISBN: 1-57709-962-1\n\nIFPI L239 has no MCN\n\nR9F A has no MCN\n\nIFPI 4157 disc: MCN unverified",
    "old": "ISBN: 1-57709-962-1\n\nIFPI L239 has no MCN\n\nIFPI L240 disc: MCN unverified"
  },
  "ring_codes": {
    "new": "682001 R2H\tA IFPI L238 16 IFPI 4121\n682001 R3H\tA IFPI L238 12 IFPI 4121\n682001 R4F\tA IFPI L240 13 IFPI 4157\n682001 R8J\tA IFPI L239 11\n682001 R9F\tA IFPI L240 A IFPI 4121",
    "old": "682001 R2H\tA IFPI L238 16 IFPI 4121\n682001 R3H\tA IFPI L238 12 IFPI 4121\n682001 R4F\tA IFPI L240 13 IFPI 4157\n682001 R8J\tA IFPI L239 11"
  }
}