Core/Event: Add Brewfest Music during the event

Note: Dark Iron invasion music can be added with a trigger at a later stage

src/server/game/Entities/Object/Object.cpp

@@ -2804,6 +2804,16 @@ void WorldObject::PlayDirectSound(uint32 sound_id, Player* target /*= NULL*/)
         SendMessageToSet(&data, true);
 }
 
+void WorldObject::PlayDirectMusic(uint32 music_id, Player* target /*= NULL*/)
+{
+    WorldPacket data(SMSG_PLAY_MUSIC, 4);
+    data << uint32(music_id);
+    if (target)
+        target->SendDirectMessage(&data);
+    else
+        SendMessageToSet(&data, true);
+}
+
 void WorldObject::DestroyForNearbyPlayers()
 {
     if (!IsInWorld())