David F. Parry; Veteran Public Relations Executive

David F. Parry, 75, a veteran public relations executive whose clients included the Los Angeles Music Center and Los Angeles County Museum of Art and the architectural firms of Welton Becket and William L. Pereira. Parry, who retired in 1987, also represented several magazines--Architectural Digest, Bon Appetit and Home--and the J. Paul Getty Trust. Earlier, he had been a contract writer for film producer Samuel Goldwyn. In Los Angeles on Friday of lung cancer.