The audio track should be about 30 seconds long, and could include narration, sound effects, and music to support your project. Think about the story arc that your audio track reveals.below are some example of what you will be uploading. One file will be a png file while the other is a audio file. as you can see the audio file corresponds with the images in the storyboard. contact me for more information.programs you can use:AudacityLAME mp3 plug-in for AudacityWolfram Tones online audio generator