---
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)

This dataset contains 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>
* Download tool: 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               | ~4.4 GB |
| Format                   | mp3, best available bitrate |

The 7 missing IDs are listed in `unavailable.txt`.

## Files

```
audio/<youtube_id>.mp3   # 927 files
id.txt                   # original 934 ids (one per line)
unavailable.txt          # 7 ids that could not be retrieved
```

## License & disclaimer

Audio is downloaded from YouTube and 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 wish it to be 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}
}
```