```json
{
  "TragedyDegree": 4,
  "ComedyDegree": 2
}
```

The story contains melancholic and poignant moments, especially with the focus on preserving the voices and memories of people who have passed away. This evokes a sense of loss and nostalgia, which contributes to a moderate degree of tragedy (4 points). However, it doesn't reach a profound level of tragedy as there are no extreme emotional low points or catastrophic events.

On the comedy side, the story is largely serious and reflective, with almost no elements of humor or light-heartedness, resulting in a very low comedy degree (2 points). The positive elements are more about a sense of purpose and continuity rather than comedic delight.
