Examine source code of Thirteenth Step

{
  "theme": {
    "images": {
      "theme_frame": "Header.png"
    },
    "colors": {
      "frame": "#a6a1a1",
      "tab_background_text": "#e3c500"
    }
  },
  "version": "2.0",
  "name": "Thirteenth Step",
  "manifest_version": 2,
  "description": "A Perfect Circle's second (and arguably their best) LP."
}