Hi, this is my first post here and I'm in need of some help. I'm actually trying to help my dad out. About 3 years ago he produced an album for a teenage girl and things went south the minute the project was finished. My dad co-wrote the songs, arranged them, played the guitar parts and hired studio musicians to play drums bass etc. The teenage girl sang the songs and co-wrote them, nothing more. The deal was that the album would be paid for over a period of about two years, through performances etc, but they ceased all communication, and my dad never received a dime. It was a terrible experience. He would now like to strip the vocals off of the tracks and remix them and license them for bg music. My question is, can he do that and call it a new master and keep the licensing money. Hopefully those are enough details. Thank you for your help!