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MuseScore represents a free notation software for operating systems such as Windows, macOS and Linux. It is designed and suitable for music teachers, students & both amateur and professional composers. MuseScore is released as FOSS under the GNU GPL license and it’s accompanied by freemium MuseScore.com sheet music catalogue with mobile score viewer, playback app and an online score sharing platform.
I use VirtualBox frequently to create virtual machines for testing new versions of Fedora, new application programs, and lots of administrative tools like Ansible. I have even used VirtualBox to test the creation of a Windows guest host.