A chop and screw programs is for remixing music mp3s and remastering your tunes. With this program u can Change tempo or beats to your favorite tunes. It also creates and edits your videos and you can master the beat through a mic set up in this program. If you would like to give this program a try, click the link provided for you here. http://software.informer.com/getfree-chop-n-screw-software/
