This application is for changing background music of a video. Using this Audio / Video Mix,Video Cutter you can add your favorite music to a video. Audio / Video Mix,Video Cutter is easy to use and free app to change background music of a video, With this Audio / Video Mix,Video Cutter you can easily replace audio in video. This application is so easy to use. Feature: - Easily add your favorite song in video. - You can also Trim Video in this app. - You can share these video's to social networ