Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
application()
application(org.kde.kmix.desktop)
kdemultimedia-kmix
kmix
kmix(x86-64)
libkmixcore.so.6()(64bit)
metainfo()
metainfo(org.kde.kmix.appdata.xml)

Requires :

/usr/bin/sh
libKF6ConfigCore.so.6()(64bit)
libKF6ConfigGui.so.6()(64bit)
libKF6ConfigWidgets.so.6()(64bit)
libKF6CoreAddons.so.6()(64bit)
libKF6Crash.so.6()(64bit)
libKF6DBusAddons.so.6()(64bit)
libKF6GlobalAccel.so.6()(64bit)
libKF6I18n.so.6()(64bit)
libKF6Notifications.so.6()(64bit)
libKF6Solid.so.6()(64bit)
libKF6StatusNotifierItem.so.6()(64bit)
libKF6WidgetsAddons.so.6()(64bit)
libKF6WindowSystem.so.6()(64bit)
libKF6XmlGui.so.6()(64bit)
libQt6Core.so.6()(64bit)
libQt6Core.so.6(Qt_6)(64bit)
libQt6Core.so.6(Qt_6.8)(64bit)
libQt6DBus.so.6()(64bit)
libQt6DBus.so.6(Qt_6)(64bit)
libQt6Gui.so.6()(64bit)
libQt6Gui.so.6(Qt_6)(64bit)
libQt6Widgets.so.6()(64bit)
libQt6Widgets.so.6(Qt_6)(64bit)
libasound.so.2()(64bit)
libasound.so.2(ALSA_0.9)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.32)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_ABI_DT_RELR)(64bit)
libcanberra.so.0()(64bit)
libkmixcore.so.6()(64bit)
libpulse.so.0()(64bit)
libpulse.so.0(PULSE_0)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.9)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.32)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rtld(GNU_HASH)

Content of RPM :
/etc/xdg/autostart/kmix_autostart.desktop
/etc/xdg/autostart/restore_kmix_volumes.desktop
/usr/bin/kmix
/usr/bin/kmixctrl
/usr/bin/kmixremote
/usr/lib/.build-id
/usr/lib/.build-id/25
/usr/lib/.build-id/25/4d45c6cb506a97ca1639082aada312d57207bc
/usr/lib/.build-id/d7
/usr/lib/.build-id/d7/f2bc915d288314ac5f59667bae90124c2f3486
/usr/lib/.build-id/f6
/usr/lib/.build-id/f6/99a6619319451047ec3691590822eedf333a92
/usr/lib64/libkmixcore.so.24.12.1
/usr/lib64/libkmixcore.so.6
/usr/share/applications/org.kde.kmix.desktop
/usr/share/config.kcfg/kmixsettings.kcfg
/usr/share/dbus-1/interfaces/org.kde.kmix.control.xml
/usr/share/dbus-1/interfaces/org.kde.kmix.mixer.xml
/usr/share/dbus-1/interfaces/org.kde.kmix.mixset.xml
/usr/share/doc/HTML/ca/kmix
/usr/share/doc/HTML/ca/kmix/index.cache.bz2
/usr/share/doc/HTML/ca/kmix/index.docbook
/usr/share/doc/HTML/cs/kmix
/usr/share/doc/HTML/cs/kmix/index.cache.bz2
/usr/share/doc/HTML/cs/kmix/index.docbook
/usr/share/doc/HTML/de/kmix
/usr/share/doc/HTML/de/kmix/index.cache.bz2
/usr/share/doc/HTML/de/kmix/index.docbook
/usr/share/doc/HTML/de/kmix/kmix-channels.png
/usr/share/doc/HTML/de/kmix/kmix-configure.png
There is 208 files more in these RPM.