Try it Live - HTML5 Audio Autoplay Hidden

​x
 
<!DOCTYPE html>
<html>
  <body>
  <h2>Example of HTML Audio Autoplay Hidden</h2>
    <audio autoplay="true" src="html-audio.mp3">
      Update your browser. Your browser does not support HTML audio
    </audio> 
    <p>
       Note: Hidden audio is added which auto-plays the music.
       If you are not able to listen to the audio sound then click
       on lock icon at the left of the url window link address and from 
       sound's dropdown, select "allow" or "automatic(default)" if it is muted 
    </p>
  </body>
</html>
​