diff --git a/Harmonia.UI/ViewModels/MainViewModel.cs b/Harmonia.UI/ViewModels/MainViewModel.cs
index 4399bc1..87c7631 100644
--- a/Harmonia.UI/ViewModels/MainViewModel.cs
+++ b/Harmonia.UI/ViewModels/MainViewModel.cs
@@ -2,5 +2,5 @@
 
 public partial class MainViewModel : ViewModelBase
 {
-    public string Greeting => "Welcome to Avalonia!";
+    public static string Greeting => "Welcome to Avalonia!";
 }
diff --git a/Harmonia.UI/ViewModels/PlaybackBarViewModel.cs b/Harmonia.UI/ViewModels/PlaybackBarViewModel.cs
index 93cd116..d32cbf6 100644
--- a/Harmonia.UI/ViewModels/PlaybackBarViewModel.cs
+++ b/Harmonia.UI/ViewModels/PlaybackBarViewModel.cs
@@ -16,7 +16,7 @@ using System.Windows.Input;
 
 namespace Harmonia.UI.ViewModels;
 
-public partial class PlaybackBarViewModel : ViewModelBase
+public partial class PlaybackBarViewModel : ViewModelBase, IDisposable
 {
     private readonly IAudioPlayer _audioPlayer;
     private readonly IAudioImageCache _audioImageCache;
@@ -52,6 +52,7 @@ public partial class PlaybackBarViewModel : ViewModelBase
         }
         private set
         {
+            _songImageSource?.Dispose();
             _songImageSource = value;
             OnPropertyChanged();
         }
@@ -217,4 +218,10 @@ public partial class PlaybackBarViewModel : ViewModelBase
     {
         _audioPlayer.NextAsync();
     }
+
+    public void Dispose()
+    {
+        SongImageSource?.Dispose();
+        GC.SuppressFinalize(this);
+    }
 }
\ No newline at end of file
diff --git a/Harmonia.UI/ViewModels/PlayingSongInfoViewModel.cs b/Harmonia.UI/ViewModels/PlayingSongInfoViewModel.cs
index 29f815f..9348edd 100644
--- a/Harmonia.UI/ViewModels/PlayingSongInfoViewModel.cs
+++ b/Harmonia.UI/ViewModels/PlayingSongInfoViewModel.cs
@@ -11,7 +11,7 @@ using System.Threading.Tasks;
 
 namespace Harmonia.UI.ViewModels;
 
-public class PlayingSongInfoViewModel : ViewModelBase
+public class PlayingSongInfoViewModel : ViewModelBase, IDisposable
 {
     private readonly IAudioPlayer _audioPlayer;
     private readonly IAudioImageCache _audioImageCache;
@@ -41,6 +41,7 @@ public class PlayingSongInfoViewModel : ViewModelBase
         }
         private set
         {
+            _songImageSource?.Dispose();
             _songImageSource = value;
             OnPropertyChanged();
         }
@@ -88,4 +89,10 @@ public class PlayingSongInfoViewModel : ViewModelBase
         using MemoryStream stream = new(songPictureInfo.Data);
         SongImageSource = new(stream);
     }
+
+    public void Dispose()
+    {
+        SongImageSource?.Dispose();
+        GC.SuppressFinalize(this);
+    }
 }
\ No newline at end of file
diff --git a/Harmonia.UI/Views/PlaybackBar.axaml b/Harmonia.UI/Views/PlaybackBar.axaml
index 6f13f91..f02395b 100644
--- a/Harmonia.UI/Views/PlaybackBar.axaml
+++ b/Harmonia.UI/Views/PlaybackBar.axaml
@@ -82,7 +82,7 @@
 				</StackPanel>
 			</Grid>
 
-			<!-- Action Buttons -->
+			<!-- Playback Buttons -->
 			<Grid Grid.Row="1" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Center">
 				<StackPanel Orientation="Horizontal">
 					<Button Classes="Flat" Command="{Binding PreviousSongCommand}">
@@ -102,6 +102,22 @@
 					</Button>
 				</StackPanel>
 			</Grid>
+
+			<!-- Action Buttons -->
+			<Grid Grid.Row="1" Grid.Column="2" VerticalAlignment="Center" HorizontalAlignment="Right">
+				<StackPanel Orientation="Horizontal">
+					<Button Classes="Flat">
+						<PathIcon Classes="FlatButtonIcon" Data="{StaticResource SemiIconSetting}"></PathIcon>
+						<Button.Flyout>
+							<MenuFlyout Placement="Top">
+								<RadioButton Content="Compact" VerticalContentAlignment="Stretch" HorizontalAlignment="Stretch" GroupName="Density" />
+								<RadioButton Content="Comfortable" VerticalContentAlignment="Stretch" HorizontalAlignment="Stretch" GroupName="Density" />
+								<RadioButton Content="Cozy" VerticalContentAlignment="Stretch" HorizontalAlignment="Stretch" GroupName="Density" />
+							</MenuFlyout>
+						</Button.Flyout>
+					</Button>
+				</StackPanel>
+			</Grid>
 		</Grid>
 	</Border>
 </UserControl>