import requests

url = "https://api.musicgpt.com/api/public/v1/sing_over_instrumental"
headers = {"Authorization": "<API_KEY>"}
data = {
  "prompt": "Sing emotional vocals over a soft piano instrumental.",
  "lyrics": "Never mind I'll find someone like you...",
  "gender": "female",
  "webhook_url": "https://yourdomain.com/webhook"
}

# Option 1: Use audio_url
data["audio_url"] = "https://bucket.s3.amazonaws.com/audio.mp3"
response = requests.post(url, headers=headers, data=data)

# Option 2: Upload file
# with open("audio.mp3", "rb") as f:
#     files = {"audio_file": f}
#     response = requests.post(url, headers=headers, data=data, files=files)

# print(response.json())

{
  "success": true,
  "message": "Sing Over Instrumental request submitted successfully",
  "task_id": "task-abcde12345",
  "conversion_id_1": "over-instrumental-1",
  "conversion_id_2": "over-instrumental-2",
  "eta": 45,
  "credit_estimate": 50
}