{
  "comments": {
    "new": "ISBN: 0-87321-224-X\n\nVolume Label: QUAKE2",
    "old": "ISBN: 0-87321-224-X"
  },
  "ring_codes": {
    "new": "1000095101USRE4 R2H IFPI L238 11, 12, 13 IFPI 4121",
    "old": "1000095101USRE4 R2H IFPI L238 11, 13 IFPI 4121"
  }
}