RL_Dane, Discovered something clever:
I use Ctrl+Super+L for screen locking in #KDE #Plasma.
It works fine, but Plasma doesn't automatically pause media playback when locking the screen.
So, I removed the lockscreen shortcut, and added a custom Ctrl+Super+L shortcut to execute:
bash -c 'playerctl pause & qdbus org.freedesktop.ScreenSaver /ScreenSaver Lock'Perfect!