The Eurovision Song Contest 1969 was the 14th edition of the annual Eurovision Song Contest. It took place in Madrid, Spain, following the country's victory at the 1968 contest with the song "La La La" by Massiel. Organised by the European Broadcasting Union (EBU) and host broadcaster Televisión Española (TVE), the contest was held at the Teatro Real on 29 March 1969 and was hosted by Spanish television presenter and actress Laurita Valenzuela.

"Boom Bang-a-Bang" is a song recorded by Scottish singer Lulu, with music composed by Alan Moorhouse and lyrics by Peter Warne. It represented the United Kingdom in the Eurovision Song Contest 1969, held in Madrid, and became one of the four winning songs. It made No. 2 in the UK Singles Chart and was a major hit throughout Europe.