.MU3

.MU3 file extension

This is the basic program to work with .MU3 extension

Melody Assistant

Melody Assistant

Melody Assistant is dedicated to music writing, printing and rendering. Easy to use, Melody Assistant offers a user-friendly interface and powerful capabilities. Now used by a very active community of thousands of people, it has become a favored tool for creating music. A wide range of music symbols will enable scores of great quality, including tablatures and Gregorian notation, to be edited... (more)

The program works with the following extensions: mus, box, mu3, mux, myr, myf and mys

.MU3 extension is also supported by the following programs:

Harmony Assistant

Harmony Assistant

drum,editing,music composition,composition,editor,arranger,guitar.
Morpheus Ultra

Morpheus Ultra

Morpheus Ultra is the fastest and a great P2P program.
Morpheus

Morpheus

It is a file sharing and searching peer-to-peer client for Microsoft Windows.