 The rise of the pre-fab four coincided with rock's desperate desire to cloak itself with the trappings of respectability, credibility and irreproachable heritage.The fact was ignored that session players were being heavily employed by the Beach Boys, the Beatles, the Mamas and the Papas, the Byrds and other titans of the age.However, what could "not" be ignored, as rock disdained its pubescent past, was a group of middle-aged Hollywood businessmen had actually assembled their concept of a profitable rock group and foisted it upon the world.