To arrange an audio in the animation order, you need to set it to autoplay or set start and stop audio within the entry and exit animation. 

To autoplay an audio file:

1. Add your preferred audio in your slide from the Media tab.
   
   
   
   
2. Click on the audio element.
3. Click FORMAT in the right pane. 
4. Toggle the AutoPlay switch to Yes.
   
   
   
   
5. Click animate panel. This will direct you to the Animation Order page.
   
   
   

To set start or stop audio:

1. Add your preferred audio in your slide from the Media tab.
2. Click on the audio element and select ANIMATE.
3. Select Entrance within Effects and click Start Audio. 
   
   
   
   
4. Click Exit within Effects and select Stop Audio.
   
   
   
   
5. Choose Animation Order at the bottom of the pane. This will direct you to the Animation Order page. 

The audios that you have animated will have Start Audio and Stop Audio next to them, you can rearrange this in the animation order page to decide when you want the audio to play or stop.

In the Animation Order panel:

1. Click on the animated element to apply any of the below options:
   
    
   Start: Choose when the animation should play by selecting any of the below options from the dropdown.
    
   • On click: Begins when you click the mouse, press the space bar, or press the right or down arrow button on the keyboard.
   • With previous: Begins at the same time with the previous effect in the list.
   • After Previous: Begins immediately at the end of the previous effect in the list.
     
     
   
   
   Duration: Decide how long the animation effect should play on the slide.
    
   • Slide the Duration slider to set a time limit for the animation.
   • Enter the duration manually or use the up and down arrows to set the duration for the animation. 
   

   Duration does not apply to audios that are animated.
   Delay: Set a delay between the end of one and the start of another animation.
    
   • Slide the Delay slider to set a time limit for the animation.
   • Enter the duration manually or use the up and down arrows to set the delay for the animation.
     
     
   
   
   
2. Drag and drop the animated element to order the animation according to your requirement.