John Peter Farnham, Jr. AO (born 1 July 1949), formerly billed as Johnny Farnham from his professional debut in 1967 until 1980, is an English-born Australian pop singer. Farnham was a teen pop idol from 1964 to 1979, but has since forged a career as an adult contemporary singer. His career has mostly been as a solo artist although he temporarily replaced Glenn Shorrock as lead singer of Little River Band from 1982 to 1985. In September 1986 his solo single, "You're the Voice" peaked at No. 1 on the Australian singles charts. The associated album, Whispering Jack, held the No. 1 position for a total of 25 weeks and is the highest-selling album in Australian history. Both the single and the album had Top Ten success internationally including No. 1 in Sweden.