C# Download the sound of a youtube video
<p>I can download a video from youtube but I want the sound only. How can I do that?</p>

<p>Code I have for downloading the video (Using VideoLibrary):</p>

<pre><code>        YouTube youtube = YouTube.Default;
        Video vid = youtube.GetVideo(txt_youtubeurl.Text);
        System.IO.File.WriteAllBytes(source + vid.FullName, vid.GetBytes());
</code></pre>