Music Encoding Initiative

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audio

The Music Encoding Initiative (MEI) is an open-source effort to define a system for encoding musical documents in a machine-readable structure. MEI is formalised in the MEI schema, a core set of rules for recording physical and intellectual characteristics of music notation documents expressed as an eXtensible Markup Language (XML) schema. PRONOM currently does not distinguish between different versions of MEI.

Identify it

Extensions	`.mei`
MIME types	`text/xml`
Signatures	`3c3f786d6c2076657273696f6e3d` at byte 0 (Music Encoding Initiative)
PRONOM	`fmt/965`
Wikidata	`Q50308939`
Library of Congress	`fdd000502`

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Open it

VerovioOpen sourcereads · GNU Lesser General Public License
MEI Friendreads and writes
MEI Garagewrites
MEI-Friend Package for Atomreads and writes

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Sources

From PRONOM, Wikidata. Updated 2026-10-20.

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