This teen idol of the 1970s has been undergoing a process of redefinition for much of the last two decades. As the son of actor-singers Jack Cassidy and Shirley Jones and younger half-brother of fellow teeny bopper fav, David, Cassidy clearly had showbiz in his blood. However he has not been content to stay in the few slots allotted him during his early career. Cassidy burst upon European pop charts in the Top 20 with his 1976 debut single, "Morning Girl". He soon cultivated a following in Australia as well and toured there and Europe. Cassidy returned to the US and made the transition to TV