John Clifford Farrar ( ; born 8 November 1946) is an Australian music producer, songwriter, arranger, singer, and guitarist. As a musician, Farrar is a former member of several rock and roll groups including The Mustangs (1963–64), The Strangers (1964–70), Marvin, Welch & Farrar (1970–73), and The Shadows (1973–76). In 1980, he released a solo eponymous album. As a songwriter and producer, he worked with Olivia Newton-John from 1971 to 1989. He wrote her U.S. number-one hit singles: "Have You Never Been Mellow" (1975), "You're the One That I Want" (1978 duet with John Travolta), "Hopelessly Devoted to You" (1978), and "Magic" (1980). He also produced the majority of her recorded material during that time, including her number-one albums, If You Love Me, Let Me Know (1974), Have You Never Been Mellow (1975), and Olivia's Greatest Hits Vol. 2 (1982). He was a co-producer of the soundtrack for the film Grease (1978). Farrar also produced Newton-John's first American number-one hit single, "I Honestly Love You", which was awarded the Grammy Award for Record of the Year in 1975. In 1969, Farrar married the Australian singer, Pat Carroll, who had been Newton-John's singing partner. In July 1970, Farrar and Carroll relocated to the United Kingdom and, since late 1975, they have resided in the United States. They are the parents of Sam Farrar, the Phantom Planet bassist and Maroon 5 touring member, and Max Farrar, a composer and producer whose work includes songs with Lewis Capaldi and The Script. Biography John Clifford Farrar was born on 8 November 1946, and grew up in Moonee Ponds, a suburb of Melbourne. He has an older brother, Reginald, and the family lived in a large household with aunts and uncles. Farrar's mother bought him a country music guitar, which he began playing at the age of twelve. In 1961, he started playing in a band, The Jaguars, with his older brother Reg. When he was fifteen, the family relocated to nearby Niddrie. In 1963, he joined The Mustangs, alongside Johnny Cooper on vocals, Peter Ramis on bass guitar and Billy on drums. In late January 1964, he joined The Strangers, replacing the founding guitarist Laurie Arthur, adding another lead vocalist to the group. Other members were Peter Robinson on bass guitar and lead vocals, Graeme Thompson on drums, and Fred Weiland on guitar and backing vocals. They had formed as an instrumental band in