Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:Psheng/openSUSE_Tumbleweed/home:Psheng.repo
zypper refresh
zypper install tuxguitar
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:Psheng/15.6/home:Psheng.repo
zypper refresh
zypper install tuxguitar
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:Psheng/15.5/home:Psheng.repo
zypper refresh
zypper install tuxguitar