CoverMusicRequest

{
    "task_type": "cover_music",
    "clip_id": "abc123xyz789",
    "instruction": "lofi piano remix, mellow downtempo with vinyl crackle",
    "strength": 0.5,
    "cover_strength": 0,
    "sound": "string",
    "lyrics": "string",
    "title": "string",
    "seed": "string",
    "mv": "Lyria 3 Pro",
    "webhook_url": "http://example.com",
    "webhook_secret": "string"
}