PyPI · pypi:music21

music21 active

A Toolkit for Computer-Aided Musical Analysis and Computational Musicology.

The latest stable version of music21 is 10.5.2, published on 2026-10-28. Verified by Vigia on 2026-11-13.

Latest stable version	10.5.2
Published	2026-10-28 07:00:58 UTC
Install	`pip install --upgrade music21`
Requires	`python >=3.11`
License	BSD-3-Clause
Advisories on latest version	none known
Last verified	2026-11-13 09:28:32 UTC
Sources	pypi.org

Maintenance

Activity	active
Last stable release	2026-10-28 07:00:58 UTC · 16 days ago
Stable releases in the last 12 months	6
Published versions	68

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`10.5.2`	2026-10-28 07:00:58 UTC
`10.5.1`	2026-10-22 20:58:00 UTC
`10.5.0`	2026-06-17 01:22:41 UTC
`10.3.0`	2026-05-26 09:41:58 UTC
`10.1.0`	2026-05-16 07:58:13 UTC
`9.9.2`	2026-05-12 01:08:59 UTC
`9.9.1`	2025-10-12 09:17:39 UTC
`9.9.0`	2025-10-06 06:24:24 UTC
`9.7.1`	2025-06-19 11:54:45 UTC
`9.7.0`	2025-05-22 13:05:38 UTC
`9.5.0`	2025-02-20 00:46:01 UTC
`9.3.0`	2024-10-29 09:49:13 UTC
`9.1.0`	2023-06-16 23:24:56 UTC
`8.3.0`	2023-05-11 18:32:24 UTC
`8.1.0`	2022-09-19 09:49:34 UTC
`7.3.3`	2022-04-26 20:14:36 UTC
`7.3.1`	2022-03-31 16:36:53 UTC
`7.3.0`	2022-03-27 06:21:05 UTC
`7.1.0`	2021-09-09 02:29:22 UTC
`6.7.1`	2021-02-24 03:23:40 UTC

Showing the 20 most recent of 49 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`python 3.8`	`8.3.0`
`python 3.9`	`8.3.0`
`python 3.10`	`9.9.2`
`python 3.11`	`10.5.2`
`python 3.12`	`10.5.2`
`python 3.13`	`10.5.2`

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Frequently asked questions

What is the latest version of music21?

The latest stable version of music21 is 10.5.2, published on 2026-10-28. Verified by Vigia on 2026-11-13.

How do I install the latest version of music21?

Run pip install --upgrade music21. The latest stable version is 10.5.2 (verified 2026-11-13).

Is music21 deprecated?

No. music21 is not marked as deprecated in the registry.

Which Python version does music21 require?

music21 10.5.2 declares this requirement: python >=3.11.

Does music21 10.5.2 have known vulnerabilities?

No known advisories affect music21 10.5.2 according to the data Vigia checks.

Is music21 still maintained?

music21 published 6 stable releases in the last 12 months; the most recent was 16 days ago. Activity: active.

Observed changes

Wed Oct 28 2026 07:02:24 GM +0000 (Coordinated Universal Time) — released 10.5.1 → 10.5.2
hu Oct 22 2026 21:00:34 GMT+0000 (Coordinated Universal Time) — released 10.5.0 → 10.5.1

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