Why – Add Music to Video Voice Over Review

This app is great in all but when ever i try to hit edit it pauses my screen for like 5 seconds and exits the app. Ive tryed over abd over but it just does the same thing. It may be my ipad or the photos i chose but i need to edit gideos for youtube and idk where the music feture is
Review by puglife 10987654321 on Add Music to Video Voice Over.