{
  "comments": {
    "new": "ISBN: 1-55345-613-0\n\nLJ21 disc: MCN unverified"
  },
  "ring_codes": {
    "new": "DUPLIUM 10-79909-LJ21\n10-79909-LJ22 IFPI V504",
    "old": "DUPLIUM 10-79909-LJ21"
  },
  "serial": {
    "new": "PC0427CD"
  }
}