In this tutorial you will see how to add audio in shotcut.

 First add / import the video. Now add this video to playlist, and add a video track on timeline, drag and drop this video on timeline. Click on the play button to check the video one more time.

 Add Audio- 

Now import audio file. Now add audio track on timeline, drag & drop audio clip on audio track. Adjust the audio clip with video. Now click on the play button to check it. So this way you can add audio in shotcut.