Myriad Harmony Assistant

Version9(as of 5/25/2022)
PlatformsWindows, Mac, Linux
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Rating:3.4  |  29 Votes

Main Features

  • Supports various score and audio formats such as MUX, MUS, WAV, MIDI, and MP3
  • Provides a score editor, tablature generator, composing assistant, and arranger
  • Offers a user-friendly WYSIWYG editor

Software Overview

Screenshot of Myriad Harmony Assistant 9
Screenshot of Myriad Harmony Assistant 9

Myriad Harmony Assistant is a musical notation program used to compose and edit music. It is available for Windows, OS X, and Linux.

The software supports an array of musical score and audio formats, including MUS, MUX, MIDI, XMZ, CMF, WAV, AIF, and MP3. In addition, harmony Assistant provides multiple features, including a score editor, tablature generator for several instruments, composing assistant, and arranger. Furthermore, the application offers a variety of predefined instruments and enables you to create your own from samples. Also, the software is user-friendly with a WYSIWYG editor.


Harmony Assistant is the most popular product developed by Myriad because of its format support, helpful features, and user friendliness. In addition, the program is available for free which is a good selling point, as well. While better musical notation programs are available, such as MuseScore, Myriad Harmony Assistant is still a good product.

Primary File Type

mux icon.MUXMyriad Stand-Alone Music Score

Supported File Types

ExtensionFile Type
.MUXMyriad Stand-Alone Music Score
.ABCABC Music Notation
.AIFAudio Interchange File Format
.BAKFinale 2012 Score Backup
.CMFCreative Music Format
.KARKaraoke MIDI File
.MP3MP3 Audio
.MU3Myriad Packed Musical Score
.MUIMyriad User Instrument File
.MUSFinale Notation File (Legacy)
.MYRMyriad Music File
.NWCNoteWorthy Composer File
.OGGOgg Vorbis Audio
.S3MScreamTracker 3 Module
.TEFTablEdit Tablature

Additional Related File Types

ExtensionFile Type
.AIFFAudio Interchange File Format
Updated 5/25/2022