message: Update graveyard.json
  Added SoundStage, a virtual reality music sandbox built specifically for room-scale VR. Shortly after its v1.0 release it was bought by Google, archived as Open Source, and de-listed from every place it was available for purchase/use.
diff: [
  + {
  + "dateClose": "2018-01-12",
  + "dateOpen": "2016-06-30",
  + "description": "SoundStage was a virtual reality music sandbox built specifically for room-scale VR.",
  + "link": "https://github.com/googlearchive/soundstagevr",
  + "name": "SoundStage",
  + "type": "service"
  + },
  {
  "dateClose": "2019-10-15",
  "dateOpen": "2017-10-04",
  