Hazlehurst was also involved with the Eurovision Song Contest and was the musical director when the event was hosted by the United Kingdom in 1974, 1977 and 1982. He also conducted the British entry on seven occasions, in 1977, 1982, 1987, 1988, 1989, 1991 and 1992. In 1977, as well as conducting the British entry, he also conducted the German entry. To conduct the British entry that year, Lynsey de Paul and Mike Moran, he used a closed umbrella instead of a baton and wore a bowler hat.