Wesley Donald Farrell, born on December 21, 1939, in New York City, was a prominent American musician, songwriter, and record producer, most active during the 1960s and 1970s. Farrell's career began at the age of 19, and he quickly became a prolific figure in the music industry, contributing to nearly 500 songs as a writer, producer, or publisher.

One of his earliest successes was co-writing "Boys" with Luther Dixon, a song that gained further fame when covered by The Beatles. His most notable chart-topping hit was "Hang On Sloopy," co-written with Bert Russell, which became a number-one hit in the US in 1965 and was later designated as the official rock song of Ohio.

Farrell's influence extended to producing music for The Partridge Family, a television musical sitcom inspired by the real-life family band, The Cowsills. He co-wrote and produced numerous songs for the show, including the theme song "When We're Singin'."

In his personal life, Farrell was married four times. He first married Joan Arthurs in 1965, with whom he had a daughter named Dawn. After their divorce, he married Tina Sinatra in 1974, followed by a marriage to Pamela Hensley in 1978. His final marriage was to Jean Inman in 1981, with whom he had two children, Wesley and Sky.

Wes Farrell passed away on February 29, 1996, in Coconut Grove, Florida, at the age of 56. His legacy endures through his contributions to music, which continue to be celebrated in various media.