---
license: cc-by-nc-4.0
language:
- en
tags:
- audio
- music
- music-source-separation
- youtube
pretty_name: MUSIC21
size_categories:
- n<1K
task_categories:
- audio-classification
- audio-to-audio
---

# MUSIC21 (audio dump)

Audio tracks downloaded from YouTube according to the official MUSIC21 video-id
list released by Zhao et al. (*The Sound of Pixels*, ECCV 2018, and follow-up
*MUSIC-21*).

* Source list  : <https://github.com/roudimit/MUSIC_dataset>
* Tooling      : yt-dlp 2026.03.17 + yt-dlp-ejs + deno (n-challenge solver)
* Date crawled : 2026-05-22

## Statistics

| Field | Value |
|---|---|
| Original IDs in `id.txt`         | 934 |
| Successfully downloaded          | 927 |
| Unavailable on YouTube           | 7 (private / removed / region-blocked) |
| Total size                       | ~4.1 GB |
| Format                           | mp3, best available bitrate |
| Packaging                        | a single uncompressed `tar`     |

## Files

```
MUSIC21_audio.tar     # 927 .mp3 files inside, paths "audio/<youtube_id>.mp3"
id.txt                # original 934 youtube ids (one per line)
unavailable.txt       # 7 ids that could not be retrieved + reasons
```

### Quick start

```python
import tarfile
from huggingface_hub import hf_hub_download

tar_path = hf_hub_download(
    repo_id="FYQ12138/MUSIC21",
    filename="MUSIC21_audio.tar",
    repo_type="dataset",
)
with tarfile.open(tar_path) as tf:
    tf.extractall("./MUSIC21")
```

## License & disclaimer

Audio is downloaded from YouTube; the underlying copyright belongs to the
respective uploaders. This dump is released **for non-commercial research
only** in line with the original MUSIC / MUSIC21 dataset usage convention.
If you are the rights holder of any clip and want it removed, please open an
issue on this repo.

## Citation

```bibtex
@inproceedings{zhao2018sound,
  title  = {The Sound of Pixels},
  author = {Zhao, Hang and Gan, Chuang and Rouditchenko, Andrew and Vondrick, Carl and McDermott, Josh and Torralba, Antonio},
  booktitle = {ECCV},
  year   = {2018}
}
```