---
title: Demucs Stem Separator
emoji: 🎵
colorFrom: purple
colorTo: pink
sdk: gradio
sdk_version: 6.3.0
python_version: "3.10"
app_file: app.py
pinned: false
license: mit
tags:
  - audio-separation
  - stem-separation
  - demucs
  - mcp-server
short_description: Separate audio into vocals, drums, bass, other stems
---

# 🎵 Demucs Stem Separator

Separate audio → **Vocals** | **Drums** | **Bass** | **Other**

| Stem | Output |
|------|--------|
| 🎤 Vocals | Singing, voice |
| 🥁 Drums | Percussion |
| 🎸 Bass | Low frequencies |
| 🎹 Other | Guitars, synths |

**Formats:** MP3, WAV, FLAC, OGG, M4A

---

## API

### Python Client

```python
from gradio_client import Client, handle_file

client = Client("Luminia/demucs")
vocals, drums, bass, other = client.predict(
    audio_file=handle_file("song.wav"),
    model_name="htdemucs",  # or "htdemucs_ft"
    api_name="/separate"
)
```

### REST API (curl)

```bash
# Submit
curl -X POST "https://luminia-demucs.hf.space/gradio_api/call/separate" \
  -H "Content-Type: application/json" \
  -d '{"data": ["https://example.com/song.mp3", "htdemucs"]}'

# Get result (use event_id from response)
curl "https://luminia-demucs.hf.space/gradio_api/call/separate/{event_id}"
```

### MCP

```json
{
  "mcpServers": {
    "demucs": {
      "url": "https://luminia-demucs.hf.space/gradio_api/mcp/"
    }
  }
}
```

---

[Demucs](https://github.com/facebookresearch/demucs) by Facebook Research