Using Add audio to video pro you can can add or mix any audio to a video. Add MP3 to video application through your favorite music in your video. Video which have no clear voice such as party video, event video or video which you shoot on your favorite place in that places voice is not clear so your video is not perfect. Now you can add your favorite music to these videos. You just select your video and audio or any mp3 song from your collection and add this audio to your video. Save your video on one tap.