Graham Hamilton Lyle (born 11 March 1944, Bellshill, Lanarkshire, Scotland) is a Grammy Award winning Scottish singer-songwriter, guitarist and producer, who has been active in the music industry since the mid-1960s.Arguably Scotland’s most successful songwriter, he co-wrote 17 British Top 40 hits, 8 Billboard Hot 100 entries, 4 US Country No.1s and 1 US Adult Contemporary No.1, as well as 3 Australian chart-toppers, between 1970 and 1997.