"Sea of Flags" is a song by Australian recording artist Jessica Mauboy. It was written by Mauboy, Ilan Kidron and Stuart Crichton who also served as producer of the track. The song was performed live by Mauboy on 8 May 2014 at its debut during the interval of the second semi-final of the 2014 Eurovision Song Contest in Copenhagen, Denmark, directly after which it was released for digital download in Australia and throughout Europe. Mauboy also performed "Sea of Flags" at the closing ceremony of the 2014 Commonwealth Games in Glasgow.

On 25 March 2014, it was announced that Mauboy was chosen by SBS to represent Australia at the 2014 Eurovision Song Contest, by performing as the interval act in the second semi-final. Following the announcement, Mauboy said: "Like so many Aussies, I have loved watching the show from my lounge room and now to be a part of one of the world's biggest music shows is just incredible." The decision to allow Australia to perform at Eurovision came about when its host broadcaster DR decided to reward the country's dedicated love and ongoing support of the annual event. The organisers had asked SBS, which has broadcast Eurovision in Australia for over 30 years, to choose a performer and they eventually picked Mauboy. Her appearance would mark the first time Australia has been represented at Eurovision and she would become the first solo artist from a non-European Broadcasting Union country to perform as a guest. However, Mauboy is not the first Australian to perform in the contest as Olivia Newton John, The New Seekers and Gina G have previously taken part as competing acts representing the United Kingdom.

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