The winning song was composed by two Dublin printworkers, Derry Lindsay and Jackie Smith. The single was produced by Ray Horricks and arranged by Phil Coulter. Released on 14 March, it shot to #1 in the Irish singles chart before the contest began and stayed there for nine weeks. It also spent two weeks at the top of the UK singles chart on 18 and 25 April. It was also successful in Australia, Austria, Germany, Israel, Malaysia, the Netherlands, New Zealand, Singapore, South Africa, Switzerland and Yugoslavia. The song went on to sell more than two million units.