This video helps us how to add continuous music to your PowerPoint presentation. To add continuous music to your PowerPoint presentation, click "Insert" in the Main toolbar. Place arrow key on the Sound icon and wait for options to appear. Select "Sound from File". Locate for and select the sound file. Select "Automatically" button once a window appears. Select "Animation" and then "Custom Animation". A window appears on the right side of the screen. Select "Effect" options and choose the number of slides where you want to play the song. Click Ok.