MainWindow.xaml

<Window x:Class="LastDitchPlayer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:LastDitchPlayer"
        mc:Ignorable="d"
        Title="LastDitchPlayer" Height="450" Width="800">
    <Grid>
        <ListBox ItemsSource="{Binding playlist.Tracks}" SelectedItem="{Binding Sitem}" x:Name="songList" HorizontalContentAlignment="Stretch" VerticalAlignment="Top" Height="255" Width="780" Margin="0,10,0,0">
            <ListBox.ItemTemplate>
                <DataTemplate>
                    <Border BorderBrush="Black" BorderThickness="1" CornerRadius="5" Padding="3">
                        <Grid Width="Auto">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="9*"/>
                                <ColumnDefinition Width="1*"/>
                            </Grid.ColumnDefinitions>
                            <!-- Assumes MVVM and you wish to bind to properties and commands -->
                            <TextBlock Grid.Column="0" Text="{Binding Path=Name}"/>
                            <TextBlock Grid.Column="1" Text="{Binding Path=Length, StringFormat={}{0} min}"/>
                        </Grid>
                    </Border>
                </DataTemplate>
            </ListBox.ItemTemplate>
        </ListBox>
        <ProgressBar x:Name="songProgress" HorizontalAlignment="Center" Height="6" Margin="0,270,0,0" VerticalAlignment="Top" Width="772" RenderTransformOrigin="0.5,0.5" HorizontalContentAlignment="Center" VerticalContentAlignment="Center">
            <ProgressBar.RenderTransform>
                <TransformGroup>
                    <ScaleTransform ScaleY="-1"/>
                    <SkewTransform/>
                    <RotateTransform/>
                    <TranslateTransform/>
                </TransformGroup>
            </ProgressBar.RenderTransform>
        </ProgressBar>
        <ToggleButton Command="{Binding ChangeStrategyCommand}" x:Name="shuffleBtn" Content="&#x292E;" HorizontalAlignment="Left" Margin="205,307,0,0" VerticalAlignment="Top" Height="45" Width="54" FontSize="20"/>
        <ToggleButton Command="{Binding PlayCommand}" Click="playBtn_Click" x:Name="playBtn" HorizontalAlignment="Center" Margin="0,282,0,0" VerticalAlignment="Top" Height="90" Width="90" Content="" FontSize="40"/>
        <ComboBox ItemsSource="{Binding States}" SelectedItem="{Binding Sstate}" x:Name="speedCombo" HorizontalAlignment="Right" Margin="0,307,175,0" VerticalAlignment="Top" Width="56" Height="40"/>
        <Button Command="{Binding SavePlaylistCommand}" x:Name="savePlaylistBtn" Margin="14,284,0,0" Width="80" Height="30"  Content="Save Playlist" HorizontalAlignment="Left" VerticalAlignment="Top"/>
        <Button Command="{Binding OpenPlaylistCommand}" x:Name="openPlaylistBtn" Margin="14,319,0,0" Width="80" Height="30" Content="Open Playlist" HorizontalAlignment="Left" VerticalAlignment="Top"/>
        <Button Command="{Binding OpenSongCommand}" x:Name="openSongBtn" Margin="14,354,0,0" Width="80" Height="30" Content="Open Song" HorizontalAlignment="Left" VerticalAlignment="Top"/>
        <Button Command="{Binding UndoCommand}" x:Name="undoBttn" Margin="655,284,0,0" Width="35" Height="30" Content="Undo" HorizontalAlignment="Left" VerticalAlignment="Top"/>
        <Button Command="{Binding RedoCommand}" x:Name="redoBttn" Margin="695,284,0,0" Width="34" Height="30"  Content="Redo" HorizontalAlignment="Left" VerticalAlignment="Top"/>
        <Button Command="{Binding PrevAudioCommand}" x:Name="prevBttn" Margin="285,304,450,84" Content="&#x2BEC;" FontSize="24" />
        <Button Command="{Binding NextAudioCommand}" x:Name="nextBttn" Margin="450,304,285,85" Content="&#x2BEE;" FontSize="24" />
      
    </Grid>
</Window>