openSUSE Tumbleweed の場合は、 root で下記のコマンドを実行してください:
zypper addrepo https://download.opensuse.org/repositories/home:frispete:tools/openSUSE_Tumbleweed/home:frispete:tools.repo
zypper refresh
zypper install ampache
openSUSE Leap 15.2 の場合は、 root で下記のコマンドを実行してください:
zypper addrepo https://download.opensuse.org/repositories/home:frispete:tools/openSUSE_Leap_15.2/home:frispete:tools.repo
zypper refresh
zypper install ampache
openSUSE Leap 15.1 の場合は、 root で下記のコマンドを実行してください:
zypper addrepo https://download.opensuse.org/repositories/home:frispete:tools/openSUSE_Leap_15.1/home:frispete:tools.repo
zypper refresh
zypper install ampache