{
  "comments": {
    "new": "Title on disc label of white label Demonstration Disc edition: Gershwin Connection",
    "old": "Title on disc label: Gershwin Connection"
  },
  "edition": {
    "new": "Original, Demonstration Disc",
    "old": "Demonstration Disc"
  },
  "ring_codes": {
    "new": "11620713 03! A, E",
    "old": "11620713 03! A"
  },
  "serial": {
    "new": "310-690-116-2, 310690116-2",
    "old": "310-690-116-2"
  }
}