I have heard others have had success using this link to remove the claim http://adrev.net/contact-us
All your earning will still be going to your channel though
Your videos should automatically release, but sometimes the API query gets jammed and fails. In that case, please email [email protected] with the URL, stating you're a Freedom user and we'll have he claim removed asap!
I simply disputed it myself. Happened almost immediately and not to mention I always give credit for music in the description of my videos. It takes me sometimes a day or two just to find the right song for a video, and I like giving credit where it's due. Usually Youtube itself doesn't take long to remove any copywrite issue if you're in the right which you are.