MercuryConverter/Views/Selection/Selection.axaml

<Panel xmlns="https://github.com/avaloniaui"
        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:MercuryConverter.Views"
        x:Class="MercuryConverter.Views.Selection"
>
    <DockPanel>
        <ContentControl Name="SelectionInfo" DockPanel.Dock="Right" Width="250">
            <StackPanel Margin="12">
                <Image Source="/Assets/jacket-placeholder.png"/>
            </StackPanel>
        </ContentControl>
        <DockPanel Margin="0 0 8 0">
            <DockPanel Margin="0 0 0 8" DockPanel.Dock="Top">
                <ComboBox DockPanel.Dock="Right" Width="160" PlaceholderText="Source filter" Name="SourceFilter"/>
                <TextBox Margin="0 0 8 0" Watermark="Search for title, artist, charter..."/>
            </DockPanel>
            <UserControl Background="{DynamicResource DataGridContentBackground}">
                <DataGrid Name="ListingTable" IsReadOnly="True" SelectionMode="Extended" ItemsSource="{Binding SongCollection}">
                    <DataGrid.Columns>
                        <DataGridTextColumn Header="ID" Width="90" Binding="{Binding Id}"/>
                        <DataGridTextColumn Header="Title" Width="*" Binding="{Binding Name}"/>
                        <DataGridTextColumn Header="Artist" Width="*" Binding="{Binding Artist}"/>
                        <DataGridTextColumn Header="Source" Width="150" Binding="{Binding Source}"/>
                    </DataGrid.Columns>
                </DataGrid>
            </UserControl>
        </DockPanel>
    </DockPanel>
</Panel>