@@ -0,0 +1,982 @@
+package aeronicamc.mods.mxtune.managers;%0A%0Aimport aeronicamc.mods.mxtune.Reference;%0Aimport net.minecraftforge.api.distmarker.Dist;%0Aimport net.minecraftforge.event.entity.player.PlayerEvent;%0Aimport net.minecraftforge.eventbus.api.SubscribeEvent;%0Aimport net.minecraftforge.fml.common.Mod;%0Aimport org.apache.logging.log4j.LogManager;%0Aimport org.apache.logging.log4j.Logger;%0A%0A@SuppressWarnings(%22unused%22)%0Apublic final class ServerPlayManager%0A%7B%0A    private static final Logger LOGGER = LogManager.getLogger(ServerPlayManager.class.getSimpleName());%0A%0A    private ServerPlayManager()%0A    %7B%0A        /* NOP */%0A    %7D%0A%0A    @Mod.EventBusSubscriber(modid = Reference.MOD_ID, value = %7BDist.DEDICATED_SERVER%7D)%0A    private static class EventHandler%0A    %7B%0A        @SubscribeEvent%0A        public static void event(PlayerEvent.StartTracking event)%0A        %7B%0A            LOGGER.debug(%22Tracking %7B%7D%22, event.getTarget());%0A            LOGGER.debug(%22Listeners %7B%7D%22, event.getListenerList());%0A        %7D%0A    %7D%0A%7D%0A

Add ServerPlayManager.java class for tracking play sessions and updating tracked 'Music Players' listeners.