diff --git a/OpenRA.Game/InstallUtils.cs b/OpenRA.Game/InstallUtils.cs
index b3a2449f7f..95f89b0127 100644
--- a/OpenRA.Game/InstallUtils.cs
+++ b/OpenRA.Game/InstallUtils.cs
@@ -20,8 +20,9 @@ namespace OpenRA
 {
 	public class InstallData
 	{
-		public readonly string InstallerMenuWidget = null;
-		public readonly string InstallerBackgroundWidget = null;
+		public readonly string MenuWidget = null;
+		public readonly string MusicMenuWidget = null;
+		public readonly string BackgroundWidget = null;
 		public readonly string[] TestFiles = {};
 		public readonly string[] DiskTestFiles = {};
 		public readonly string PackageToExtractFromCD = null;
diff --git a/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs b/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs
index 4074bc50a8..1649fc3986 100644
--- a/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs
+++ b/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs
@@ -29,50 +29,45 @@ namespace OpenRA.Mods.Common.LoadScreens
 			Game.Renderer.EndFrame(new NullInputHandler());
 		}
 
-		void TestAndContinue()
-		{
-			Ui.ResetAll();
-			var installData = Game.modData.Manifest.ContentInstaller;
-			if (!installData.TestFiles.All(f => GlobalFileSystem.Exists(f)))
-			{
-				var args = new WidgetArgs()
-				{
-					{ "continueLoading", () => Game.InitializeMod(Game.Settings.Game.Mod, null) },
-				};
-
-				if (installData.InstallerBackgroundWidget != null)
-					Ui.LoadWidget(installData.InstallerBackgroundWidget, Ui.Root, args);
-
-				Ui.OpenWindow(installData.InstallerMenuWidget, args);
-			}
-			else
-				Game.LoadShellMap();
-
-			Game.Settings.Save();
-		}
-
 		public void StartGame(Arguments args)
 		{
-			var window = args != null ? args.GetValue("Launch.Window", null) : null;
-			if (!string.IsNullOrEmpty(window))
-			{
-				var installData = Game.modData.Manifest.ContentInstaller;
-				if (installData.InstallerBackgroundWidget != null)
-					Ui.LoadWidget(installData.InstallerBackgroundWidget, Ui.Root, new WidgetArgs());
+			Ui.ResetAll();
+			Game.Settings.Save();
 
-				Ui.OpenWindow(window, new WidgetArgs());
-			}
-			else
-			{
-				TestAndContinue();
+			// Check whether the mod content is installed
+			// TODO: The installation code has finally been beaten into shape, so we can
+			// finally move it all into the planned "Manage Content" panel in the modchooser mod.
+			var installData = Game.modData.Manifest.ContentInstaller;
+			var installModContent = !installData.TestFiles.All(f => GlobalFileSystem.Exists(f));
+			var installModMusic = args != null && args.Contains("Install.Music");
 
-				var replay = args != null ? args.GetValue("Launch.Replay", null) : null;
-				if (!string.IsNullOrEmpty(replay))
-					Game.JoinReplay(replay);
+			if (installModContent || installModMusic)
+			{
+				var widgetArgs = new WidgetArgs()
+				{
+					{ "continueLoading", () => Game.InitializeMod(Game.Settings.Game.Mod, args) },
+				};
+
+				if (installData.BackgroundWidget != null)
+					Ui.LoadWidget(installData.BackgroundWidget, Ui.Root, widgetArgs);
+
+				var menu = installModContent ? installData.MenuWidget : installData.MusicMenuWidget;
+				Ui.OpenWindow(menu, widgetArgs);
+
+				return;
 			}
+
+			var replay = args != null ? args.GetValue("Launch.Replay", null) : null;
+			if (!string.IsNullOrEmpty(replay))
+			{
+				Game.JoinReplay(replay);
+				return;
+			}
+
+			Game.LoadShellMap();
+			Game.Settings.Save();
 		}
 
 		public virtual void Dispose() { }
 	}
-}
-
+}
\ No newline at end of file
diff --git a/OpenRA.Mods.RA/Widgets/Logic/MusicPlayerLogic.cs b/OpenRA.Mods.RA/Widgets/Logic/MusicPlayerLogic.cs
index c3d1252729..692b1ede52 100644
--- a/OpenRA.Mods.RA/Widgets/Logic/MusicPlayerLogic.cs
+++ b/OpenRA.Mods.RA/Widgets/Logic/MusicPlayerLogic.cs
@@ -85,7 +85,7 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 			if (installButton != null)
 			{
 				installButton.IsDisabled = () => world == null || !world.IsShellmap;
-				var args = new string[] { "Launch.Window=INSTALL_MUSIC_PANEL" };
+				var args = new string[] { "Install.Music=true" };
 				installButton.OnClick = () =>
 				{
 					Game.modData.LoadScreen.Display(); // HACK: prevent a flicker when transitioning to the installation dialog
diff --git a/mods/cnc/mod.yaml b/mods/cnc/mod.yaml
index 7cdb8baf1d..d9f10c2634 100644
--- a/mods/cnc/mod.yaml
+++ b/mods/cnc/mod.yaml
@@ -138,8 +138,9 @@ LoadScreen: CncLoadScreen
 
 ContentInstaller:
 	TestFiles: conquer.mix, desert.mix, sounds.mix, speech.mix, temperat.mix, tempicnh.mix, winter.mix
-	InstallerBackgroundWidget: INSTALL_BACKGROUND
-	InstallerMenuWidget: INSTALL_PANEL
+	BackgroundWidget: INSTALL_BACKGROUND
+	MenuWidget: INSTALL_PANEL
+	MusicMenuWidget: INSTALL_MUSIC_PANEL
 	FilesToCopy: CONQUER.MIX, DESERT.MIX, SCORES.MIX, SOUNDS.MIX, TEMPERAT.MIX, WINTER.MIX
 	FilesToExtract: speech.mix, tempicnh.mix, transit.mix
 	PackageMirrorList: http://www.openra.net/packages/cnc-mirrors.txt
diff --git a/mods/d2k/mod.yaml b/mods/d2k/mod.yaml
index 7a47f5d1db..fa729a95e3 100644
--- a/mods/d2k/mod.yaml
+++ b/mods/d2k/mod.yaml
@@ -122,7 +122,8 @@ LoadScreen: LogoStripeLoadScreen
 	Text: Filling Crates..., Breeding Sandworms...
 
 ContentInstaller:
-	InstallerMenuWidget: INSTALL_PANEL
+	MenuWidget: INSTALL_PANEL
+	MusicMenuWidget: INSTALL_MUSIC_PANEL
 # TODO: check if DATA.R8 is at 1.03 patch level with 4840 frames
 	TestFiles: BLOXBASE.R8, BLOXBAT.R8, BLOXBGBS.R8, BLOXICE.R8, BLOXTREE.R8, BLOXWAST.R8, DATA.R8, SOUND.RS
 	PackageMirrorList: http://www.openra.net/packages/d2k-103-mirrors.txt
diff --git a/mods/ra/mod.yaml b/mods/ra/mod.yaml
index bbdff772b3..7a888b3089 100644
--- a/mods/ra/mod.yaml
+++ b/mods/ra/mod.yaml
@@ -137,7 +137,8 @@ LoadScreen: LogoStripeLoadScreen
 	Text: Filling Crates..., Charging Capacitors..., Reticulating Splines..., Planting Trees..., Building Bridges..., Aging Empires..., Compiling EVA..., Constructing Pylons..., Activating Skynet..., Splitting Atoms...
 
 ContentInstaller:
-	InstallerMenuWidget: INSTALL_PANEL
+	MenuWidget: INSTALL_PANEL
+	MusicMenuWidget: INSTALL_MUSIC_PANEL
 	TestFiles: allies.mix, conquer.mix, interior.mix, redalert.mix, russian.mix, snow.mix, sounds.mix, temperat.mix
 	PackageMirrorList: http://www.openra.net/packages/ra-mirrors.txt
 	DiskTestFiles: MAIN.MIX, INSTALL/REDALERT.MIX
diff --git a/mods/ts/mod.yaml b/mods/ts/mod.yaml
index 997fe876d2..78f54919b5 100644
--- a/mods/ts/mod.yaml
+++ b/mods/ts/mod.yaml
@@ -167,7 +167,8 @@ LoadScreen: LogoStripeLoadScreen
 	Text: Updating EVA installation..., Changing perspective...
 
 ContentInstaller:
-	InstallerMenuWidget: INSTALL_PANEL
+	MenuWidget: INSTALL_PANEL
+	MusicMenuWidget: INSTALL_MUSIC_PANEL
 	TestFiles: cache.mix, conquer.mix, isosnow.mix, isotemp.mix, local.mix, sidec01.mix, sidec02.mix, sno.mix, snow.mix, sounds.mix, speech01.mix, tem.mix, temperat.mix
 	PackageMirrorList: http://www.openra.net/packages/ts-mirrors.txt
 	DiskTestFiles: MULTI.MIX, INSTALL/TIBSUN.MIX