Performing a safe is entirely possible if you avoid shady websites and understand the installation process. However, we strongly encourage you to migrate your work to modern, Unicode-compliant music fonts like Bravura or MuseJazz. They offer better compatibility, sharper printing, and global support across all operating systems.

sudo fc-cache -fv

sudo cp /path/to/pgmus.ttf /usr/share/fonts/truetype/