{
  "captions": true,
  "voice": "af_nova",
  "music_url": "https://4ort.live/v1/mtv/video/694a65935834?download=1",
  "scenes": [
    {
      "id": "s1",
      "narration": "Fifty feet from a furnace, you don't need a gauge to know it's lying. You need your ears. A furnace that sings off-key, that whistle in the draft — that's an air leak sucking cold in where the flame should sit tight."
    },
    {
      "id": "s2",
      "narration": "On-key is a low, patient hum. That's the burner balanced, the draft pulled just right, the whole stack breathing like a sleeping animal. Enough heat to cook steel, steady enough to hold through the night shift."
    },
    {
      "id": "s3",
      "narration": "Three decades of heat taught me discipline isn't doing it all. It's knowing what to drop — and listening close enough to hear trouble before it ever gets loud. Tune the draft right, and she holds steady till morning."
    }
  ]
}