{
  "edition": {
    "new": "Limited Edition, 10th Anniversary DVD Edition, Myst IV: Revelation Limited Edition",
    "old": "Limited Edition, 10th Anniversary DVD Edition"
  },
  "ring_codes": {
    "new": "651115-DVD3\tsono press\t+ +\tCB93601 IFPI LB48 A15, A18, A21 IFPI 1050, IFPI 1060, IFPI 10A3\nIFPI LB41 IFPI 10C6, IFPI 10E2",
    "old": "651115-DVD3\tsono press\t+ +\tCB93601 IFPI LB48 A15, A18 IFPI 1050, IFPI 1060, IFPI 10A3\nIFPI LB41 IFPI 10C6, IFPI 10E2"
  }
}