diff --git a/Harmonia.WinUI/Caching/AudioBitmapImageCache.cs b/Harmonia.WinUI/Caching/AudioBitmapImageCache.cs
index c92b011..3f8cf29 100644
--- a/Harmonia.WinUI/Caching/AudioBitmapImageCache.cs
+++ b/Harmonia.WinUI/Caching/AudioBitmapImageCache.cs
@@ -16,7 +16,7 @@ public class AudioBitmapImageCache(IAudioImageExtractor audioImageExtractor) : M
 
     protected override MemoryCacheOptions Options => new()
     {
-        SizeLimit = 40,
+        SizeLimit = 200_000_000,
         CompactionPercentage = 0.2,
     };
 
@@ -87,6 +87,6 @@ public class AudioBitmapImageCache(IAudioImageExtractor audioImageExtractor) : M
 
     protected override long GetEntrySize(BitmapImage entry)
     {
-        return entry.PixelWidth * entry.PixelHeight;
+        return entry.DecodePixelWidth * entry.DecodePixelHeight;
     }
 }
\ No newline at end of file
diff --git a/Harmonia.WinUI/Converters/ArtistsToStringConverter.cs b/Harmonia.WinUI/Converters/ArtistsToStringConverter.cs
index f211f34..17afc57 100644
--- a/Harmonia.WinUI/Converters/ArtistsToStringConverter.cs
+++ b/Harmonia.WinUI/Converters/ArtistsToStringConverter.cs
@@ -1,6 +1,5 @@
 using Microsoft.UI.Xaml.Data;
 using System;
-using System.Collections.Generic;
 
 namespace Harmonia.WinUI.Converters;
 
diff --git a/Harmonia.WinUI/Harmonia.WinUI.csproj b/Harmonia.WinUI/Harmonia.WinUI.csproj
index 89e81f2..cafa830 100644
--- a/Harmonia.WinUI/Harmonia.WinUI.csproj
+++ b/Harmonia.WinUI/Harmonia.WinUI.csproj
@@ -38,12 +38,16 @@
 		<ProjectCapability Include="Msix" />
 	</ItemGroup>
 	<ItemGroup>
+		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
 		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.1742" />
 		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.7.250310001" />
 	</ItemGroup>
 	<ItemGroup>
 	  <ProjectReference Include="..\Harmonia.Core\Harmonia.Core.csproj" />
 	</ItemGroup>
+	<ItemGroup>
+	  <Folder Include="Views\" />
+	</ItemGroup>
 
 	<!--
     Defining the "HasPackageAndPublishMenuAddedByProject" property here allows the Solution
diff --git a/Harmonia.WinUI/Session/ApplicationSession.cs b/Harmonia.WinUI/Session/ApplicationSession.cs
new file mode 100644
index 0000000..0731796
--- /dev/null
+++ b/Harmonia.WinUI/Session/ApplicationSession.cs
@@ -0,0 +1,10 @@
+namespace Harmonia.WinUI.Session;
+
+public partial class ApplicationSession
+{
+    public WindowSession Window { get; set; } = new();
+    public NavigationSession Navigation { get; set; } = new();
+    public AudioLibrarySession Library { get; set; } = new();
+    public AudioPlayerSession Player { get; set; } = new();
+    public PlaylistSession Playlist { get; set; } = new();
+}
\ No newline at end of file
diff --git a/Harmonia.WinUI/Session/AudioLibrarySession.cs b/Harmonia.WinUI/Session/AudioLibrarySession.cs
new file mode 100644
index 0000000..1171597
--- /dev/null
+++ b/Harmonia.WinUI/Session/AudioLibrarySession.cs
@@ -0,0 +1,8 @@
+namespace Harmonia.WinUI.Session;
+
+public partial class AudioLibrarySession
+{
+    public string? FlexViewType { get; set; }
+    public string? LibraryViewType { get; set; }
+    public string? Breadcrumbs { get; set; }
+}
\ No newline at end of file
diff --git a/Harmonia.WinUI/Session/AudioPlayerSession.cs b/Harmonia.WinUI/Session/AudioPlayerSession.cs
new file mode 100644
index 0000000..519a3e5
--- /dev/null
+++ b/Harmonia.WinUI/Session/AudioPlayerSession.cs
@@ -0,0 +1,13 @@
+namespace Harmonia.WinUI.Session;
+
+public partial class AudioPlayerSession
+{
+    public string? PlaylistUID { get; set; }
+    public string? PlaylistSongUID { get; set; }
+    public double Position { get; set; } = 0.0;
+    public string? PlaybackState { get; set; }
+    public double Volume { get; set; } = 1.0;
+    public bool IsMuted { get; set; }
+    public string? RepeatState { get; set; }
+    public bool IsRandom { get; set; }
+}
\ No newline at end of file
diff --git a/Harmonia.WinUI/Session/NavigationSession.cs b/Harmonia.WinUI/Session/NavigationSession.cs
new file mode 100644
index 0000000..e6a6cf3
--- /dev/null
+++ b/Harmonia.WinUI/Session/NavigationSession.cs
@@ -0,0 +1,6 @@
+namespace Harmonia.WinUI.Session;
+
+public partial class NavigationSession
+{
+    public string? CurrentPage { get; set; }
+}
\ No newline at end of file
diff --git a/Harmonia.WinUI/Session/PlaylistSession.cs b/Harmonia.WinUI/Session/PlaylistSession.cs
new file mode 100644
index 0000000..7497902
--- /dev/null
+++ b/Harmonia.WinUI/Session/PlaylistSession.cs
@@ -0,0 +1,6 @@
+namespace Harmonia.WinUI.Session;
+
+public partial class PlaylistSession
+{
+    public string? OpenPlaylistUID { get; set; }
+}
\ No newline at end of file
diff --git a/Harmonia.WinUI/Session/WindowSession.cs b/Harmonia.WinUI/Session/WindowSession.cs
new file mode 100644
index 0000000..893e427
--- /dev/null
+++ b/Harmonia.WinUI/Session/WindowSession.cs
@@ -0,0 +1,6 @@
+namespace Harmonia.WinUI.Session;
+
+public partial class WindowSession
+{
+    public bool IsMaximized { get; set; }
+}
\ No newline at end of file
diff --git a/Harmonia.WinUI/ViewModels/ViewModelBase.cs b/Harmonia.WinUI/ViewModels/ViewModelBase.cs
new file mode 100644
index 0000000..5a4aa9a
--- /dev/null
+++ b/Harmonia.WinUI/ViewModels/ViewModelBase.cs
@@ -0,0 +1,8 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace Harmonia.WinUI.ViewModels;
+
+public partial class ViewModelBase : ObservableObject
+{
+
+}
\ No newline at end of file