Video music mixer adds your favorite songs into to your personal video records. It can mix an audio file with a video file when the video already has some existing sound on it, or remove the audio off a video clip and add an other audio clip instead. This cute tool also can mix audio into custom points in the video file. User-friendly, easy to use. SUPPORTED VIDEO FORMATS AVI (DivX, XviD, MS MPEG4, Uncompressed, Cinepak and other) MPEG (MPEG-1 and MPEG-2 Video) WMV (Windows Media Video) MPEG4 3GP Quick Time (Apple video format for Macintosh) Flash FLV (Macromedia Flash Video).