Frank DeVol was an American composer and arranger (1911-1999). In the 1930s, DeVol arranged material for the Horace Heidt Orchestra. From the 1940s onwards, he worked as a bandleader and arranger for several artists, including Ella Fitzgerald, Tony Bennett, Rudy Vallee and Dinah Shore. DeVol composed the theme music for My Three Sons and The Brady Bunch. He composed the soundtrack albums Guess Who’s Coming to Dinner and The Happening. DeVol also appeared in the 1961 film The Parent Trap and the television series Life With Elizabeth.