需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:frispete:musescore/openSUSE_Tumbleweed/home:frispete:musescore.repo
zypper refresh
zypper install calf
需要 15.5 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:frispete:musescore/15.5/home:frispete:musescore.repo
zypper refresh
zypper install calf
需要 15.4 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:frispete:musescore/15.4/home:frispete:musescore.repo
zypper refresh
zypper install calf