diff --git a/OpenRa.Game/Chrome.cs b/OpenRa.Game/Chrome.cs
index 9c7e94472b..14dc5c4d30 100644
--- a/OpenRa.Game/Chrome.cs
+++ b/OpenRa.Game/Chrome.cs
@@ -929,9 +929,12 @@ namespace OpenRa
 						overlayBits.Add(Pair.New(cantBuild.Image, drawPos));
 
 				var closureItemName = item.Name;
+				
+				var eva = world.LocalPlayer.PlayerActor.Info.Traits.Get<EvaAlertsInfo>();
+				
 				AddButton(rect, buildableItems.Contains(item.Name)
 					? isLmb => HandleBuildPalette(world, closureItemName, isLmb)
-					: (Action<bool>)(_ => Sound.Play("briefing.aud")));
+					: (Action<bool>)(_ => Sound.Play(eva.TabClick)));
 	
 				if (++x == columns) { x = 0; y++; }
 			}
diff --git a/OpenRa.Game/Sound.cs b/OpenRa.Game/Sound.cs
index 2da679626e..ac34d12bcc 100644
--- a/OpenRa.Game/Sound.cs
+++ b/OpenRa.Game/Sound.cs
@@ -1,4 +1,4 @@
-#region Copyright & License Information
+#region Copyright & License Information
 /*
  * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
  * This file is part of OpenRA.
@@ -55,6 +55,9 @@ namespace OpenRa
 
 		public static void Play(string name)
 		{
+			if (name == "" || name == null)
+				return;
+			
 			var sound = sounds[name];
 			// todo: positioning
 			soundEngine.Play2D(sound, false);
diff --git a/OpenRa.Game/Traits/Activities/UndeployMcv.cs b/OpenRa.Game/Traits/Activities/UndeployMcv.cs
index c4eab678cc..4469833428 100644
--- a/OpenRa.Game/Traits/Activities/UndeployMcv.cs
+++ b/OpenRa.Game/Traits/Activities/UndeployMcv.cs
@@ -1,4 +1,4 @@
-#region Copyright & License Information
+#region Copyright & License Information
 /*
  * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
  * This file is part of OpenRA.
@@ -19,6 +19,7 @@
 #endregion
 
 using System;
+using OpenRa.Traits;
 
 namespace OpenRa.Traits.Activities
 {
@@ -46,7 +47,7 @@ namespace OpenRa.Traits.Activities
 				rb.PlayCustomAnimBackwards(self, "make",
 					() => self.World.AddFrameEndTask(w => DoUndeploy(w,self)));
 
-				Sound.PlayToPlayer(self.Owner, "cashturn.aud");
+				Sound.PlayToPlayer(self.Owner, self.Owner.PlayerActor.Info.Traits.Get<PlaceBuildingInfo>().SellSound);
 				started = true;
 			}
 
diff --git a/OpenRa.Game/Traits/Player/PlaceBuilding.cs b/OpenRa.Game/Traits/Player/PlaceBuilding.cs
index 3b77f17cd0..31b994e86f 100644
--- a/OpenRa.Game/Traits/Player/PlaceBuilding.cs
+++ b/OpenRa.Game/Traits/Player/PlaceBuilding.cs
@@ -1,4 +1,4 @@
-#region Copyright & License Information
+#region Copyright & License Information
 /*
  * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
  * This file is part of OpenRA.
@@ -22,7 +22,11 @@ using System.Linq;
 
 namespace OpenRa.Traits
 {
-	class PlaceBuildingInfo : StatelessTraitInfo<PlaceBuilding> { }
+	class PlaceBuildingInfo : StatelessTraitInfo<PlaceBuilding>
+	{
+		public readonly string[] BuildSounds = {"placbldg.aud", "build5.aud"};
+		public readonly string SellSound = "cashturn.aud";
+	}
 
 	class PlaceBuilding : IResolveOrder
 	{
@@ -39,8 +43,10 @@ namespace OpenRa.Traits
 						return;
 
 					self.World.CreateActor( order.TargetString, order.TargetLocation, order.Player );
-					Sound.PlayToPlayer(order.Player, "placbldg.aud");
-					Sound.PlayToPlayer(order.Player, "build5.aud");
+					var info = self.Info.Traits.Get<PlaceBuildingInfo>();
+					
+					foreach (var s in info.BuildSounds)
+						Sound.PlayToPlayer(order.Player, s);
 					
 					var facts = self.World.Queries.OwnedBy[self.Owner]
 						.WithTrait<ConstructionYard>().Select(x => x.Actor);
diff --git a/OpenRa.Game/Traits/Render/RenderBuilding.cs b/OpenRa.Game/Traits/Render/RenderBuilding.cs
index cf6adf91ca..5cd543afd2 100644
--- a/OpenRa.Game/Traits/Render/RenderBuilding.cs
+++ b/OpenRa.Game/Traits/Render/RenderBuilding.cs
@@ -128,7 +128,7 @@ namespace OpenRa.Traits
 			if( !Game.skipMakeAnims && self.Info.Traits.Get<RenderBuildingInfo>().HasMakeAnimation )
 				anim.PlayBackwardsThen( "make", null );
 			
-			Sound.PlayToPlayer(self.Owner, "cashturn.aud");
+			Sound.PlayToPlayer(self.Owner, self.Owner.PlayerActor.Info.Traits.Get<PlaceBuildingInfo>().SellSound);
 		}
 
 		public void Sold(Actor self) { DoBib(self, true); }
diff --git a/mods/cnc/system.yaml b/mods/cnc/system.yaml
index 4126f89b58..a5a3d85160 100644
--- a/mods/cnc/system.yaml
+++ b/mods/cnc/system.yaml
@@ -14,14 +14,16 @@ Player:
 		UnitReadyAudio: unitredy.aud
 		OnHoldAudio: onhold1.aud
 		CancelledAudio: cancel1.aud
-#		CashTickUp: clock1.aud
-#		CashTickDown: clock1.aud
+		CashTickUp: tone15.aud
+		CashTickDown: 
 		LowPower: lopower1.aud
 		SilosNeeded: silos1.aud
 		UnitLost: unitlost.aud
 		NavalUnitLost: unitlost.aud
 		PrimaryBuildingSelected: pribldg1.aud
 	PlaceBuilding:
+		BuildSounds: constru2.aud, hvydoor1.aud
+		SellSound: cashturn.aud
 	SpawnDefaultUnits:
 	
 World:
diff --git a/mods/cnc/vehicles.yaml b/mods/cnc/vehicles.yaml
index 20c4267733..0f309385a0 100644
--- a/mods/cnc/vehicles.yaml
+++ b/mods/cnc/vehicles.yaml
@@ -20,7 +20,7 @@ MCV:
 		TransformsInto: fact
 		Offset:-1,-1
 		DeployDirections: 96
-		TransformSounds: placbldg.aud, build5.aud
+		TransformSounds: constru2.aud, hvydoor1.aud
 		NoTransformSounds: nodeply1.aud
 	RenderUnit: