{
  "comments": {
    "new": "Volume Label: CD4\n\nISBN: 1-896925-97-9\n\nL382 disc has no MCN",
    "old": "ISBN: 1-896925-97-9"
  },
  "ring_codes": {
    "new": "DUPLIUM\t10-02309- LJ22 IFPI V504\ncinram\tBACD1-4/4\t#00701Y02 L382 21 IFPI6000 28",
    "old": "DUPLIUM\t10-02309-LJ22 IFPI V504"
  }
}