Here's our exact schema (0.1.1) for anyone who wants to use it!

[
        {
          "name": "name",
          "type": "string"
        },
        {
          "name": "img",
          "type": "image"
        },
        {
          "name": "audio",
          "type": "ipfs"
        },
        {
          "name": "video",
          "type": "ipfs"
        },
        {
          "name": "backimg",
          "type": "image"
        },
        {
          "name": "promo",
          "type": "image"
        },
        {
          "name": "about",
          "type": "string"
        },
        {
          "name": "credits",
          "type": "string[]"
        },
        {
          "name": "youtube",
          "type": "string"
        },
        {
          "name": "spotify",
          "type": "string"
        },
        {
          "name": "soundcloud",
          "type": "string"
        },
        {
          "name": "platforms",
          "type": "string[]"
        },
        {
          "name": "nation",
          "type": "string"
        },
        {
          "name": "locale",
          "type": "string"
        },
        {
          "name": "geoloc",
          "type": "string"
        },
        {
          "name": "license",
          "type": "string"
        },
        {
          "name": "rarity",
          "type": "string"
        }
      ]