diff --git a/Plugins/Mineplex.Core/src/mineplex/core/slack/SlackAPI.java b/Plugins/Mineplex.Core/src/mineplex/core/slack/SlackAPI.java
index 0e8a7d234..570319d79 100644
--- a/Plugins/Mineplex.Core/src/mineplex/core/slack/SlackAPI.java
+++ b/Plugins/Mineplex.Core/src/mineplex/core/slack/SlackAPI.java
@@ -9,6 +9,9 @@ import java.net.URL;
 import java.net.URLEncoder;
 
 import com.google.gson.JsonObject;
+
+import org.bukkit.Bukkit;
+
 import mineplex.core.thread.ThreadPool;
 
 /**
@@ -36,7 +39,7 @@ public class SlackAPI
 	 */
 	public void sendMessage(SlackTeam team, String channel, SlackMessage message, boolean customTitle)
 	{
-		ThreadPool.ASYNC.execute(() ->
+		Runnable send = () ->
 		{
 			// Set message title.
 			if (!customTitle)
@@ -51,7 +54,15 @@ public class SlackAPI
 
 			// Run the call.
 			runWebCall(team, msg);
-		});
+		};
+
+		if (Bukkit.isPrimaryThread())
+		{
+			ThreadPool.ASYNC.execute(send);
+		} else
+		{
+			send.run();
+		}
 	}
 
 	/**
diff --git a/Plugins/Mineplex.Core/src/mineplex/core/sound/SoundNotifier.java b/Plugins/Mineplex.Core/src/mineplex/core/sound/SoundNotifier.java
new file mode 100644
index 000000000..d77491002
--- /dev/null
+++ b/Plugins/Mineplex.Core/src/mineplex/core/sound/SoundNotifier.java
@@ -0,0 +1,58 @@
+package mineplex.core.sound;
+
+import com.mineplex.spigot.MissingSoundEvent;
+
+import org.bukkit.event.EventHandler;
+
+import mineplex.core.MiniPlugin;
+import mineplex.core.ReflectivelyCreateMiniPlugin;
+import mineplex.core.slack.SlackAPI;
+import mineplex.core.slack.SlackMessage;
+import mineplex.core.slack.SlackTeam;
+import mineplex.core.thread.ThreadPool;
+import mineplex.serverdata.Region;
+import mineplex.serverdata.redis.atomic.RedisStringRepository;
+import mineplex.serverdata.servers.ServerManager;
+
+/**
+ * Notifies #pc-sound-logging when we detect a bad sound mapping
+ * @author Dan
+ */
+@ReflectivelyCreateMiniPlugin
+public class SoundNotifier extends MiniPlugin
+{
+	private RedisStringRepository _repo;
+
+	private SoundNotifier()
+	{
+		super("Sound Notifier");
+
+		_repo = new RedisStringRepository(
+				ServerManager.getMasterConnection(),
+				ServerManager.getSlaveConnection(),
+				Region.ALL,
+				"missingSounds"
+		);
+	}
+
+	@EventHandler
+	public void onMissingSound(MissingSoundEvent event)
+	{
+		final String message = event.getMessage();
+
+		ThreadPool.ASYNC.execute(() ->
+		{
+			if (_repo.get(message) == null)
+			{
+				sendSlackMessage(event.getMessage());
+				_repo.set(message, "sent");
+			}
+		});
+	}
+
+	private void sendSlackMessage(String message)
+	{
+		SlackMessage slackMsg = new SlackMessage("Sound Bot", "notes", message);
+		SlackAPI.getInstance().sendMessage(SlackTeam.DEVELOPER, "#pc-sound-logging", slackMsg, true);
+	}
+}
diff --git a/Plugins/Mineplex.Hub/src/mineplex/hub/Hub.java b/Plugins/Mineplex.Hub/src/mineplex/hub/Hub.java
index 543dbacc8..ceaecd3e2 100644
--- a/Plugins/Mineplex.Hub/src/mineplex/hub/Hub.java
+++ b/Plugins/Mineplex.Hub/src/mineplex/hub/Hub.java
@@ -55,6 +55,7 @@ import mineplex.core.report.ReportManager;
 import mineplex.core.report.ReportPlugin;
 import mineplex.core.resourcepack.ResourcePackManager;
 import mineplex.core.serverConfig.ServerConfiguration;
+import mineplex.core.sound.SoundNotifier;
 import mineplex.core.stats.StatsManager;
 import mineplex.core.status.ServerStatusManager;
 import mineplex.core.teamspeak.TeamspeakManager;
@@ -204,6 +205,7 @@ public class Hub extends JavaPlugin implements IRelation
 		require(TeamspeakManager.class);
 		new WebsiteLinkManager(this, clientManager);
 		require(TwitchIntegrationFix.class);
+		require(SoundNotifier.class);
 
 		new AdminCommands();
 	}
diff --git a/Plugins/Nautilus.Game.Arcade/src/nautilus/game/arcade/Arcade.java b/Plugins/Nautilus.Game.Arcade/src/nautilus/game/arcade/Arcade.java
index 7d6a76e22..2a7774134 100644
--- a/Plugins/Nautilus.Game.Arcade/src/nautilus/game/arcade/Arcade.java
+++ b/Plugins/Nautilus.Game.Arcade/src/nautilus/game/arcade/Arcade.java
@@ -69,6 +69,7 @@ import mineplex.core.recharge.Recharge;
 import mineplex.core.report.ReportManager;
 import mineplex.core.report.ReportPlugin;
 import mineplex.core.serverConfig.ServerConfiguration;
+import mineplex.core.sound.SoundNotifier;
 import mineplex.core.stats.StatsManager;
 import mineplex.core.status.ServerStatusManager;
 import mineplex.core.teleport.Teleport;
@@ -227,6 +228,7 @@ public class Arcade extends JavaPlugin
 		AprilFoolsManager.getInstance();
 
 		require(CustomItemFrames.class);
+		require(SoundNotifier.class);
 
 		//Updates
 		getServer().getScheduler().scheduleSyncRepeatingTask(this, new Updater(this), 1, 1);