Every year thousands of men father children later placed for adoption or donor-conception. Some of them thought they would forget. Some claim they never knew. There are several million of these secret fathers in the United States alone-in The Birth-Fathers' Club series eight of them are about to get a knock on the door. Tony Silvio, the detoxed but still howling Rock God epicenter of The Tony Silvio Project, is one of them. When his biological daughter finds him his rock memoir tour spins in a completely new orbit.