After his success in the United States and with Shirley Bassey , Julien wrote the English lyrics for the 1968 Eurovision Song Contest winning song " La , la , la " . Although the Spanish version had the most success , Julien 's version reached number seventeen in the Rhodesian charts . The next year , he was invited to write the lyrics for a song for the BBC 's national selection process for the 1969 Eurovision Song Contest . His song , " Boom Bang-a-Bang " won the televised competition , and represented the United Kingdom in Madrid . The song placed joint first , with a total of 18 points . It went on to be a hit , peaking at number two in the charts in the UK , in which it remained for 13 weeks . The song also had success in Europe and Australia , in its foreign language versions . He also wrote " Nine Times Out Of Ten " for Ireland 's 1969 entrant Muriel Day who performed " The Wages of Love "
1968 Eurovision Song Contest
Eurovision Song Contest 1968
Michael Julien