This team maintains MuseScore packages for Debian and Ubuntu. For more info about MuseScore and ways you can help, see https:/
INSTALLING MUSESCORE ON UBUNTU:
MuseScore Handbook: https:/
Google: search for "musescore" and the problem you are having to check for a solution. If that fails you can try asking on the forum (see below).
CONTACTING THE DEVELOPERS:
Issue tracker: https:/
Feel free to discuss MuseScore and request new features in the forums. Please only use the issue tracker for reporting bugs.
If your issue is specific to Ubuntu then you can try contacting the MuseScore Maintainers team on Launchpad. However, the preferred method is via musescore.org and you are likely to get a response sooner that way.