Towolf: Try to run the following two commands from a terminal while listening to music. Let's see if these are the once causing the dropouts (these are the exact commands that the plugin calls):
xprop -f _SCREENSAVER_STATUS 32ac -root _SCREENSAVER_STATUS and xscreensaver-command --time -- Causes repetitive dropouts in playing music https://launchpad.net/bugs/57703 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs