TestMediaApp/assets/media_items/single_node.json

{
  "FLAGS": "browsable",
  "PLAYABLE_HINT": "LIST",
  "BROWSABLE_HINT": "GRID",

  "METADATA": {
    "MEDIA_ID": "single_node",
    "DISPLAY_TITLE": "A lonely tab"
  },

  "CHILDREN": [
    {
      "FLAGS": "browsable",
      "METADATA": {
        "MEDIA_ID": "single_node simple_leaves",
        "DISPLAY_TITLE": "Basic songs",
        "ART_URI": "drawable/ic_heart_plus_plus"
      },
      "INCLUDE":"media_items/simple_leaves.json"
    }
  ]
}