Topic, theme, or description for lyrics generation. Can be a simple phrase, story concept, or specific instructions about what you want the lyrics to convey.
Example: "[Verse]\nA song about summer love and beach sunsets"
Example: "Write a romantic song about missing someone"
notify_hookstring required
Webhook URL for receiving lyrics generation completion notifications. When provided, the system sends a POST request with task results to this URL.
Must be a valid HTTP/HTTPS URL
Suitable for async processing and automated workflows