Delete Recording Eyeonet Dvr Using My Computer Is There Any Way In A Normal Recording I Can Delete The Voice And Leave The Backing Intact?

Using my computer is there any way in a normal recording i can delete the voice and leave the backing intact? - delete recording eyeonet dvr

I wish I had the original media to about 10 songs that you can use in my shows .. Anybody Out There? Have no idea how to do it?