{
  "comments": {
    "new": "ISBN: 0-7845-1570-0"
  },
  "ring_codes": {
    "new": "793207 E1J IFPI L239 11, 13 IFPI 4121",
    "old": "793207 E1J 11 IFPI L239 IFPI 4121"
  }
}