title: How to add a newline in a double quoted string
body: <p>I have have some code like this:  </p>
  
  <pre><code>system("notify-send -i 
    #{Dir.pwd}/#{file} 
    #{parsed_songlist["song"][0]['title']} 
    #{parsed_songlist["song"][0]['artist'].concat("#{parsed_songlist["song"][0]['albumtitle']}")} )
  </code></pre>
  
  <p>The albumtitle follows the artist name. How can I add a newline between them?</p>