diff --git a/LunaticPlayer/Client/Configuration.cs b/LunaticPlayer/Client/Configuration.cs
new file mode 100644
index 0000000..56044c7
--- /dev/null
+++ b/LunaticPlayer/Client/Configuration.cs
@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+
+namespace LunaticPlayer.Client
+{
+    class ConfigurationData
+    {
+        public double Volume { get; set; }
+    }
+
+    class Configuration
+    {
+        private const string Filename = "config.json";
+
+        private static Configuration _instance;
+
+        public ConfigurationData Data { get; set; }
+
+        /// <summary>
+        /// The source of configuration data (Filesystem, Default Object, ...).
+        /// </summary>
+        public string Source { get; set; }
+
+        public static Configuration GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new Configuration();
+                _instance.Initialize();
+            }
+
+            return _instance;
+        }
+
+        /// <summary>
+        /// Loads the configuration and stores it to the filesystem if necessary.
+        /// </summary>
+        private void Initialize()
+        {
+
+            if (File.Exists(Filename))
+            {
+                Data = JsonConvert.DeserializeObject<ConfigurationData>(File.ReadAllText(Filename));
+                Source = "Filesystem";
+            }
+            else
+            {
+                Source = "DefaultDataObject";
+
+                SetupData();
+
+                // Erstellt eine Konfigurationsdatei für das nächste Mal.
+                Save();
+            }
+        }
+
+        /// <summary>
+        /// Creates a <seealso cref="ConfigurationData"/> object with default values.
+        /// </summary>
+        private void SetupData()
+        {
+            var data = new ConfigurationData()
+            {
+                Volume = 0.4
+            };
+
+            Data = data;
+        }
+
+        /// <summary>
+        /// Saves the current configuration to the file specified at <see cref="Filename"/>.
+        /// </summary>
+        public void Save()
+        {
+            Console.WriteLine("Saving configuration to filesystem.");
+            File.WriteAllText(Filename, JsonConvert.SerializeObject(Data));
+        }
+    }
+}
diff --git a/LunaticPlayer/Controls/VolumeBar.xaml b/LunaticPlayer/Controls/VolumeBar.xaml
new file mode 100644
index 0000000..1deceb8
--- /dev/null
+++ b/LunaticPlayer/Controls/VolumeBar.xaml
@@ -0,0 +1,14 @@
+<UserControl x:Class="LunaticPlayer.Controls.VolumeBar"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:LunaticPlayer.Controls"
+             mc:Ignorable="d" 
+             d:DesignHeight="50" d:DesignWidth="100">
+    <Grid Background="Transparent">
+        <Border Padding="5,15">
+            <Slider Name="VolumeSlider" Orientation="Horizontal" Maximum="1" Value="{Binding Volume}" ValueChanged="VolumeSlider_ValueChanged"/>
+        </Border>
+    </Grid>
+</UserControl>
diff --git a/LunaticPlayer/Controls/VolumeBar.xaml.cs b/LunaticPlayer/Controls/VolumeBar.xaml.cs
new file mode 100644
index 0000000..4d1ccbe
--- /dev/null
+++ b/LunaticPlayer/Controls/VolumeBar.xaml.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace LunaticPlayer.Controls
+{
+    public class VolumeBarData
+    {
+        public double Volume { get; set; }
+    }
+
+    /// <summary>
+    /// Interaktionslogik für VolumeBar.xaml
+    /// </summary>
+    public partial class VolumeBar : UserControl
+    {
+        public VolumeBarData Data { get; set; }
+        public Action OnValueChange { get; set; }
+
+        public VolumeBar(VolumeBarData data)
+        {
+            InitializeComponent();
+
+            DataContext = Data = data;
+        }
+
+        private void VolumeSlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
+        {
+            Data.Volume = VolumeSlider.Value;
+
+            OnValueChange?.Invoke();
+        }
+    }
+}
diff --git a/LunaticPlayer/LunaticPlayer.csproj b/LunaticPlayer/LunaticPlayer.csproj
index 5fe0baf..2041010 100644
--- a/LunaticPlayer/LunaticPlayer.csproj
+++ b/LunaticPlayer/LunaticPlayer.csproj
@@ -66,6 +66,10 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
+    <Compile Include="Client\Configuration.cs" />
+    <Compile Include="Controls\VolumeBar.xaml.cs">
+      <DependentUpon>VolumeBar.xaml</DependentUpon>
+    </Compile>
     <Compile Include="PopupBanner.xaml.cs">
       <DependentUpon>PopupBanner.xaml</DependentUpon>
     </Compile>
@@ -81,6 +85,10 @@
     <Compile Include="Windows\DialogWindow.xaml.cs">
       <DependentUpon>DialogWindow.xaml</DependentUpon>
     </Compile>
+    <Page Include="Controls\VolumeBar.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="PlayerInterface.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
@@ -163,8 +171,8 @@
     <Resource Include="Resources\unmute_mat.ico" />
   </ItemGroup>
   <ItemGroup>
-    <Resource Include="Resources\mute_92.png" />
-    <Resource Include="Resources\unmute_92.png" />
+    <Resource Include="Resources\voloff_92.png" />
+    <Resource Include="Resources\volume_92.png" />
   </ItemGroup>
   <ItemGroup>
     <Resource Include="Resources\list_92.png" />
@@ -200,6 +208,9 @@
   <ItemGroup>
     <Resource Include="Resources\help_white_92.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Resources\mute_92.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="..\packages\System.Data.SQLite.Core.1.0.105.0\build\net451\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.105.0\build\net451\System.Data.SQLite.Core.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
diff --git a/LunaticPlayer/Player/RadioPlayer.cs b/LunaticPlayer/Player/RadioPlayer.cs
index 8d6e94f..675d4e3 100644
--- a/LunaticPlayer/Player/RadioPlayer.cs
+++ b/LunaticPlayer/Player/RadioPlayer.cs
@@ -7,7 +7,7 @@ class RadioPlayer
     {
         private readonly MediaPlayer _player;
 
-        public bool Muted => _player.Volume == 0.0;
+        public bool Muted { get; set; }
 
         public double Volume => _player.Volume;
 
@@ -39,5 +39,19 @@ public void ToggleMute()
         {
             _player.Volume = _player.Volume == 0.0 ? 0.5 : 0.0;
         }
+
+        public void ToggleMute(double volume)
+        {
+            if (Muted)
+            {
+                _player.Volume = volume;
+                Muted = false;
+            }
+            else
+            {
+                _player.Volume = 0.0;
+                Muted = true;
+            }
+        }
     }
 }
diff --git a/LunaticPlayer/PlayerInterface.xaml b/LunaticPlayer/PlayerInterface.xaml
index b1c64fe..f569519 100644
--- a/LunaticPlayer/PlayerInterface.xaml
+++ b/LunaticPlayer/PlayerInterface.xaml
@@ -4,6 +4,7 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:LunaticPlayer"
+        xmlns:controls="clr-namespace:LunaticPlayer.Controls"
         mc:Ignorable="d"
         Title="Lunatic Player" Height="245" Width="375" Closed="Window_Closed" Loaded="Window_Loaded">
     
@@ -79,20 +80,27 @@
                 </Border>
             </DockPanel>
         </Grid>
-        
+
         <Grid Height="45" VerticalAlignment="Bottom" Background="#FF767676">
             <Grid.Effect>
                 <DropShadowEffect Direction="90" Opacity="0.2" ShadowDepth="4"/>
             </Grid.Effect>
-            <StackPanel Orientation="Horizontal" Height="45" VerticalAlignment="Bottom" Margin="0,0,50,0">
-                <Border Padding="5" Height="45" Width="45" HorizontalAlignment="Left">
+            <StackPanel Name="ButtonToolbar" Orientation="Horizontal" Height="45" VerticalAlignment="Bottom" Margin="0,0,50,0">
+                <Border ToolTip="Change Volume" Padding="5" Height="45" Width="45" HorizontalAlignment="Left">
+                    <Button Style="{StaticResource TransparentImageButton}" Name="VolumeMeterButton" Click="VolumeButton_OnClick" >
+                        <Button.Background>
+                            <ImageBrush ImageSource="Resources/volume_92.png"/>
+                        </Button.Background>
+                    </Button>
+                </Border>
+                <Border ToolTip="Mute" Padding="5" Height="45" Width="45" HorizontalAlignment="Left">
                     <Button Style="{StaticResource TransparentImageButton}" Name="MuteButton" Click="MuteButton_Click">
                         <Button.Background>
-                            <ImageBrush ImageSource="Resources/mute_92.png"/>
+                            <ImageBrush ImageSource="Resources/voloff_92.png"/>
                         </Button.Background>
                     </Button>
                 </Border>
-                <Border Padding="5" Height="45" Width="45" HorizontalAlignment="Left">
+                <Border ToolTip="Show History" Padding="5" Height="45" Width="45" HorizontalAlignment="Left">
                     <Button Style="{StaticResource TransparentImageButton}" Name="SongListButton" Click="SongListButton_OnClick" >
                         <Button.Background>
                             <ImageBrush ImageSource="Resources/list_92.png"/>
@@ -100,8 +108,8 @@
                     </Button>
                 </Border>
             </StackPanel>
-            
-            <Border Padding="5" Height="45" Width="45" HorizontalAlignment="Right">
+
+            <Border ToolTip="Settings" Padding="5" Height="45" Width="45" HorizontalAlignment="Right">
                 <Button Style="{StaticResource TransparentImageButton}" Name="OptionsButton" Click="OptionsButton_OnClick" >
                     <Button.Background>
                         <ImageBrush ImageSource="Resources/settings_92.png"/>
diff --git a/LunaticPlayer/PlayerInterface.xaml.cs b/LunaticPlayer/PlayerInterface.xaml.cs
index 83cf09d..83a8039 100644
--- a/LunaticPlayer/PlayerInterface.xaml.cs
+++ b/LunaticPlayer/PlayerInterface.xaml.cs
@@ -10,6 +10,8 @@
 using System.Windows.Media.Animation;
 using System.Windows.Media.Effects;
 using LunaticPlayer.Classes;
+using LunaticPlayer.Client;
+using LunaticPlayer.Controls;
 
 namespace LunaticPlayer
 {
@@ -40,6 +42,7 @@ public MainWindow()
             _interfaceTimer.Interval = 1000;
             _interfaceTimer.Elapsed += ReloadInterface;
 
+            _radioPlayer.SetVolume(Configuration.GetInstance().Data.Volume);
 
             LanguageProperty.OverrideMetadata(typeof(FrameworkElement),
                 new FrameworkPropertyMetadata(XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag)));
@@ -134,6 +137,7 @@ private void PlayButtonClicked()
             else
             {
                 _radioPlayer.PlayFromUrl(ApiClient.StreamUrl);
+                _radioPlayer.SetVolume(Configuration.GetInstance().Data.Volume);
                 _isPlaying = true;
                 TBPlayButton.Description = "Stop";
 
@@ -153,7 +157,7 @@ private void PlayButtonClicked()
         /// </summary>
         private void MuteRadioStream()
         {
-            _radioPlayer.ToggleMute();
+            _radioPlayer.ToggleMute(Configuration.GetInstance().Data.Volume);
 
             if (_radioPlayer.Muted)
             {
@@ -161,7 +165,7 @@ private void MuteRadioStream()
                 var packUri = "pack://application:,,,/LunaticPlayer;component/Resources/unmute_mat.ico";
                 TBMuteButton.ImageSource = new ImageSourceConverter().ConvertFromString(packUri) as ImageSource;
 
-                var appUri = new Uri("pack://application:,,,/LunaticPlayer;component/Resources/unmute_92.png");
+                var appUri = new Uri("pack://application:,,,/LunaticPlayer;component/Resources/mute_92.png");
                 MuteButton.Background = new ImageBrush(new BitmapImage(appUri));
             }
             else
@@ -170,11 +174,13 @@ private void MuteRadioStream()
                 var packUri = "pack://application:,,,/LunaticPlayer;component/Resources/mute_92.png";
                 TBMuteButton.ImageSource = new ImageSourceConverter().ConvertFromString(packUri) as ImageSource;
 
-                var appUri = new Uri("pack://application:,,,/LunaticPlayer;component/Resources/mute_92.png");
+                var appUri = new Uri("pack://application:,,,/LunaticPlayer;component/Resources/voloff_92.png");
                 MuteButton.Background = new ImageBrush(new BitmapImage(appUri));
             }
         }
 
+        private VolumeBar volumeBar;
+
         #region Button Events
 
         private void Button_Click(object sender, RoutedEventArgs e)
@@ -215,6 +221,35 @@ private void SongListButton_OnClick(object sender, RoutedEventArgs e)
             sWindow.Show();
         }
 
+        private void VolumeButton_OnClick(object sender, RoutedEventArgs e)
+        {
+            if (volumeBar == null)
+            {
+                var vol = Configuration.GetInstance().Data.Volume;
+                volumeBar = new VolumeBar(new VolumeBarData() { Volume = vol });
+                volumeBar.Height = 50;
+                volumeBar.Width = 100;
+                volumeBar.OnValueChange = OnVolumeChange;
+            }
+
+            if (this.ButtonToolbar.Children.Contains(volumeBar))
+            {
+                if (volumeBar.Visibility == Visibility.Visible)
+                {
+                    volumeBar.Visibility = Visibility.Collapsed;
+                }
+                else
+                {
+                    volumeBar.Visibility = Visibility.Visible;
+                }
+
+            }
+            else
+            {
+                this.ButtonToolbar.Children.Insert(1, volumeBar);
+            }
+        }
+
         #endregion
 
         /// <summary>
@@ -224,6 +259,7 @@ private void SongListButton_OnClick(object sender, RoutedEventArgs e)
         /// <param name="e"></param>
         private void Window_Closed(object sender, EventArgs e)
         {
+            Configuration.GetInstance().Save();
             _radioPlayer.Stop();
             Application.Current.Shutdown();
         }
@@ -297,5 +333,11 @@ private void RunFadeInAnimation()
             Storyboard.SetTarget(sb, this.PlayerContent);
             sb.Begin();
         }
+
+        private void OnVolumeChange()
+        {
+            _radioPlayer.SetVolume(volumeBar.Data.Volume);
+            Configuration.GetInstance().Data.Volume = Math.Round(volumeBar.Data.Volume, 2);
+        }
     }
 }
diff --git a/LunaticPlayer/Resources/mute_92.png b/LunaticPlayer/Resources/mute_92.png
index 2fd3f7a..f29af8c 100644
Binary files a/LunaticPlayer/Resources/mute_92.png and b/LunaticPlayer/Resources/mute_92.png differ
diff --git a/LunaticPlayer/Resources/voloff_92.png b/LunaticPlayer/Resources/voloff_92.png
new file mode 100644
index 0000000..2fd3f7a
Binary files /dev/null and b/LunaticPlayer/Resources/voloff_92.png differ
diff --git a/LunaticPlayer/Resources/unmute_92.png b/LunaticPlayer/Resources/volume_92.png
similarity index 100%
rename from LunaticPlayer/Resources/unmute_92.png
rename to LunaticPlayer/Resources/volume_92.png
diff --git a/LunaticPlayer/SongHistoryWindow.xaml b/LunaticPlayer/SongHistoryWindow.xaml
index b38aaf6..f732c04 100644
--- a/LunaticPlayer/SongHistoryWindow.xaml
+++ b/LunaticPlayer/SongHistoryWindow.xaml
@@ -35,7 +35,7 @@
         <DockPanel>
             <DockPanel Height="60" Background="#FF5F5F5F" Dock="Top">
                 <Border Padding="12">
-                    <Button Click="HelpButton_OnClick" ToolTip="Help" Style="{StaticResource TransparentImageButton}" Width="36" HorizontalAlignment="Left" BorderBrush="{x:Null}" Background="WhiteSmoke" RenderOptions.BitmapScalingMode="Fant">
+                    <Button Click="HelpButton_OnClick" ToolTip="Search Help" Style="{StaticResource TransparentImageButton}" Width="36" HorizontalAlignment="Left" BorderBrush="{x:Null}" Background="WhiteSmoke" RenderOptions.BitmapScalingMode="Fant">
                         <Button.OpacityMask>
                             <ImageBrush ImageSource="Resources/help_black_92.png"/>
                         </Button.OpacityMask>
@@ -48,7 +48,7 @@
                 </Border>
             </DockPanel>
 
-            <ListBox x:Name="SongList" Background="{x:Null}" Margin="2" BorderBrush="{x:Null}">
+            <ListBox x:Name="SongList" Background="{x:Null}" Margin="2" BorderBrush="{x:Null}" MouseDoubleClick="SongList_OnMouseDoubleClick">
                 <ListBox.ContextMenu>
                     <ContextMenu>
                         <MenuItem Header="Show details" Click="ShowDetails_OnClick"/>
diff --git a/LunaticPlayer/SongHistoryWindow.xaml.cs b/LunaticPlayer/SongHistoryWindow.xaml.cs
index a09d7ec..b93320d 100644
--- a/LunaticPlayer/SongHistoryWindow.xaml.cs
+++ b/LunaticPlayer/SongHistoryWindow.xaml.cs
@@ -98,7 +98,7 @@ private void ShowDetails_OnClick(object sender, RoutedEventArgs e)
             HandleClick(CMenuAction.ShowDetails);
         }
 
-        private void SearchQueryBox_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
+        private void SearchQueryBox_KeyDown(object sender, KeyEventArgs e)
         {
             var liveSearch = true;
 
@@ -130,6 +130,11 @@ private void HelpButton_OnClick(object sender, RoutedEventArgs e)
 
             dialogWindow.ShowDialog();
         }
+
+        private void SongList_OnMouseDoubleClick(object sender, MouseButtonEventArgs e)
+        {
+            HandleClick(CMenuAction.ShowDetails);
+        }
     }
 
     internal enum CMenuAction