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GuidoViewer is designed to render Guido Music Notation (GMN) files with automatic music formatting. It supports Quartz, multiple pages, multiple documents, zoom, and printing.

The GMN format is a formal language for score level music representation. It is a plain-text, human-readable and platform independent format capable of representing all information contained in conventional musical scores.

You can edit or create your own GMN files with any third-party text editor.

What's New

Version 1.1.0:
  • GuidoLib engine version 1.3.2:
  • Introductions of new tags:
    • volta
    • coda
    • segno
    • daCapo
    • daCapoAlFine
    • dalSegno
    • dalSegnoAlFine
    • daCoda
    • fine
  • new tempo marking string support


Mac OS X 10.2 or later

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GuidoViewer User Discussion


Current Version (1.x)


Downloads 4,518
Version Downloads 3,294
License Free
Date 17 Sep 2004
Platform OS X / PPC 32
Price Free
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