What date did the Beatles perform their Rooftop Concert at the Apple Building ?
DiLello served as the " house hippie " ( formally termed Client Liaison Officer ; a sort of in-house youth consultant and gofer ) at Apple 's Savile Row headquarters , from 1968 until 1970 , becoming one - on - one acquainted with each of the Beatles , many of their wives and girlfriends , and also the inner circle of agents , managers , and others who worked for and with Apple .