{
  "comments": {
    "new": "ISBN: 1-577709-626-6"
  },
  "legacy": {
    "pregap": {
      "new": "00:02:02",
      "old": "00:02:00"
    }
  },
  "ring_codes": {
    "new": "*1R* 680702\tB IFPI L434 A2",
    "old": "*1R* 680702\tB\tA2"
  }
}