How to convert .mus notations to .mp3 format?
Converting Finale Notation Files directly to MP3 Audio Files (.mus to .mp3 conversion) should be possible and quite straightforward.
Use a music composition software or (online) conversion tool, such as Finale, which allows users to export its MUS notations in MP3 format.
One of the most popular music notation software on market
A music notation software with audio player