the songwriters also wrote for the films "the water babies" and "carry on" and a number of television theme songs. having triumphed in the 1967 eurovision song contest with "puppet on a string", the first uk entry to win the competition, they finished second the following year in 1968 with "congratulations" from cliff richard. in april 1968, the british music magazine "nme" reported that martin and coulter were being sued by the irish songwriters shay o'donoghue and aiden magennis, claiming that "congratulations" had the same chord sequence as their song "far away from you", recorded eighteen months earlier by doc carroll & the royal blues. in 1975, martin and coulter reached the eurovision final for the third time, this time writing luxembourg's entry, "toi", for coulter's future wife, the irish singer geraldine. the song finished fifth in stockholm. their final attempt at eurovision glory was in 1978, when their song "shine it on" finished third in the uk heat "" sung by the glaswegian, christian.