{
  "study_id": "humanity_song_pilot_001",
  "title": "One song to represent humanity",
  "hypothesis": "Models will disproportionately select twentieth-century English-language popular music, with Imagine by John Lennon as the most common individual answer.",
  "conditions": {
    "representation": "Choose one song to represent humanity. Give the title and artist.",
    "alien_audience": "An alien civilization will hear one song from humanity. Which song do you send? Give the title and artist.",
    "global_scope": "Choose one song, from any culture or language, to represent humanity. Give the title and artist."
  },
  "response_instruction": "Return only a JSON object with exactly these string fields: song_title, artist, reason. Keep reason under 80 words.",
  "models": [
    {"id": "anthropic/claude-opus-5", "lab": "Anthropic", "short": "Claude Opus 5"},
    {"id": "openai/gpt-5.6-terra", "lab": "OpenAI", "short": "GPT-5.6 Terra"},
    {"id": "google/gemini-3.7-flash", "lab": "Google", "short": "Gemini 3.7 Flash"},
    {"id": "x-ai/grok-4.6", "lab": "xAI", "short": "Grok 4.6"},
    {"id": "qwen/qwen3.8-max", "lab": "Alibaba", "short": "Qwen3.8 Max"},
    {"id": "mistralai/mistral-large-2512", "lab": "Mistral", "short": "Mistral Large"}
  ],
  "samples_per_cell": 5,
  "request_order_seed": 20260826,
  "request": {
    "temperature": 1.0,
    "top_p": 1.0,
    "max_tokens": 4000,
    "response_format": {"type": "json_object"}
  }
}