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MusicXML

Exchange Schema Music openly published

Copyright © 2004-2021 the Contributors to the MusicXML Specification, published by the Music Notation Community Group under the W3C Community Final Specification Agreement (FSA) . A human-readable summary is available....

W3C Music Notation Community Group, from their own opening paragraph

Other music data models

DDEX Exchange Schema MEI (Music Encoding Initiative) Exchange Schema MusicBrainz schema Information Model
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Model Details
Steward W3C Music Notation Community Group
Layer Exchange Schema
Domain Music
Status live
Access Openly published
Go to the steward →
How I know this

Compiled for the API Evangelist data model catalog, then confirmed against the steward's own site.

Confirmed 2026-08-11

Evidence: name evidence 1/1. Found something wrong? Tell me — corrections are cheap and I would rather be right.

Modernity Profile
48.1 Legacy
Access Open
Assessed 81.0% of the rubric

A separate measure from the Kin Score, which rates API providers. This rates how current a standard is in how it is expressed, published and paid for — not how good it is. EDIFACT and X12 score low here and move an enormous share of world trade.

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