diff --git a/code/controllers/subsystems/ticker.dm b/code/controllers/subsystems/ticker.dm
index 4ca33050ef..4d8014a700 100644
--- a/code/controllers/subsystems/ticker.dm
+++ b/code/controllers/subsystems/ticker.dm
@@ -182,7 +182,13 @@ var/global/datum/controller/subsystem/ticker/ticker
 			if (S.name != "AI")
 				qdel(S)
 		to_world("<span class='boldannounce notice'><em>Enjoy the game!</em></span>")
-		world << sound('sound/AI/yawn/welcome.ogg') //YW EDIT: Custom message thanks to VerySoft
+		//YW Change start: Custom message thanks to VerySoft and a 5% chance to play a secret message
+		if(TRUE)
+			if(prob(95))
+				world << sound('sound/AI/yawn/welcome.ogg') 
+			else
+				world << sound('sound/AI/yawn/welcome_secret.ogg')
+		//YW Change end:
 		//Holiday Round-start stuff	~Carn
 		Holiday_Game_Start()
 
diff --git a/code/modules/instruments/stationary.dm b/code/modules/instruments/stationary.dm
index 62e9d500dc..534577a414 100644
--- a/code/modules/instruments/stationary.dm
+++ b/code/modules/instruments/stationary.dm
@@ -57,3 +57,4 @@
 		name = "space piano"
 		desc = "This is a space piano, like a regular piano, but always in tune! Even if the musician isn't."
 		icon_state = "piano"
+/obj/structure/musician/piano/attackby(obj/item/weapon/W as obj, mob/user as mob)
diff --git a/sound/AI/yawn/welcome_secret.ogg b/sound/AI/yawn/welcome_secret.ogg
new file mode 100644
index 0000000000..cc2dd665fc
Binary files /dev/null and b/sound/AI/yawn/welcome_secret.ogg differ