Frank DeVol was born to Herman Frank DeVol and Minnie Emma Humphreys DeVol in Moundsville, West Virginia, on September 20, 1911. He grew up in Canton, Ohio. His father had a "pit" orchestra at the local movie house, and his mother had a sewing shop in Canton. His father was also an accountant. Frank De Vol graduated from McKinley High School in 1929. He attended Miami of Ohio University for six weeks. His parents wanted him to be a lawyer, but he wanted a musical career. He was a member of the musicians' union from the age of 14 and worked for his father in the theatre orchestra. His instruments were violin, saxophone at first. After his stint in college, he joined Emerson Gill's orchestra in Ohio and traveled the state. Later, he joined Horace Heidt's band and not only was he a musician but he also became an arranger for the band. Later, he traveled with Alvino Rey's band. This affiliation led to long-time friendships with The King Family. Finally, in 1943, he settled in California and started his own band, appearing on KHJ radio and accompaniment to many radio shows, such as Jack Carson and Jack Smith. With the beginning of television, he moved to working on The Betty White Show (1958) and The Dinah Shore Chevy Show (1956), among others. In the 1950s, he broke into movie composing and composed the score for 50 films. In addition, he composed the music for a number of television shows, such as Family Affair (1966), The Smith Family (1971), My Three Sons (1960) and The Brady Bunch (1969). He was also a character actor and acted in both films and TV. In the late 1970s, Frank, essentially, performed a parody of himself as band leader Happy Kyne on Fernwood 2 Night (1977) and then America 2-Night (1978), both shows starring Martin Mull. After his first wife, Grayce, died, he married Helen O'Connell. Helen died two years later. Frank left two daughters and four grandchildren when he died October 27, 1999, in Lafayette, CA.