Music on Vine - Vine, now with music. Make 6-second music videos.
Add Music to Video App - Add Music to Video is an intelligent video editing application that helps you make your everyday videos more exciting by adding background voice-over or music to your video.
Storybeat - Storybeat app comes up with features to help you in changing the background music of your videos in a few simple steps to share your favorite moments with your social media friends.
Video Merger - Video Merger is a powerful video-merging application, allows you to merge your favorite videos into a single large video by adding background music of your choice.
Wiggle - Make Awesome Selfie Music Videos
ROLR - Act out your favorite movies with friends