I did a DVD set last year of an event and sold the copies for a small profit. Part of this event was a concert. I made a deal with the lead musician to provide him a free copy of the DVD for the right to use his CD music for the slide show also on the DVD set. Now that he has seen the DVD he wants to remaster the part from the concert from my original tapes remake a cut for him to use down the road. He really likes the quality of the DVD etc. He want me to do the remaster. I know what to charge for editing etc. My main question is do I have property rights on the footage he wants to remaster and can I get a small royalty if he uses the remaster for a commercial venture? If so what should I ask for. this is new ground for me.