Sibelius

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audio

Sibelius is a WYSIWYG scorewriter program, created by Sibelius Software (now part of Avid Technology) for Microsoft Windows, Mac OS X, and historically RISC OS. It is used by composers, arrangers, performers, music publishers, teachers and students, particularly for writing classical, jazz, band, vocal, film and television music.

Identify it

Extensions	`.sib.si7`
Signatures	`0f534942454c495553` at byte 0 (Sibelius)
PRONOM	`fmt/696fmt/1978fmt/1979fmt/1980fmt/1981fmt/1982fmt/1983fmt/1984fmt/1985fmt/1986fmt/1987fmt/1988fmt/1989fmt/1990fmt/1991fmt/1992fmt/1993`
Wikidata	`Q27967347`
Library of Congress	`fdd000609`

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Open it

PhotoRecOpen sourcereads · GNU General Public License
Sibeliusreads and writes · proprietary license
Sibelius Firstreads and writes

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Sources

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

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