Add & merge background music, song, audio to your Instagram & Viddy videos.

FEATURES
• Add background music to video from your iPod/iPhone
• Background music can be started at any position of your choice
• Open or close original video sound optionally
• Keep the quality and aspect ratio of the original video(100%)
• Option to make a rectangle video into square shape
• Trim video to get optimal clip
• Save to Camera Roll. Then share anywhere you want.
• Save to iTunes sharing. Then share anywhere you want.
• Can Launch Instagram "Camera Mode" for the more convenient posting from Camera Roll

Found a bug or any feedbacks and suggestions? E-mail me at stickerapps@gmail.com and tell me the following:
1) iPhone version (3GS/4/4S/5/5C/5S)
2) iOS version (6.0/7.0)
3) The steps to make the crash happen.