Pablo Fenjves ghostwrote for a music producer.
David Walter Foster , OC , OBC ( born November 1 , 1949 ) , is a Canadian musician , record producer , composer , songwriter , and arranger . Pablo Fenjves . Fenjves also ghostwrote the autobiographies and memoirs of Bernie Mac , Janice Dickinson , and music producer David Foster . He collaborated with O.J. Simpson to ghostwrite If I Did It , an account of the Simpson murder case .