Florence and the Machine (stylised as Florence + the Machine) is the recording name of English musician Florence Welch and a collaboration of other artists who provide backing music for her voice. Florence and the Machine's sound has been described as a combination of various genres, including rock and soul. The band's music received praise across the music media, especially from the BBC, before they gained mainstream success. Specifically, the BBC played a large part in their rise to prominence by promoting Florence and the Machine as part of BBC Introducing.

The band's debut album, Lungs, was released on 6 July 2009, and held the number-two position for its first five weeks on the UK Albums Chart. On 17 January 2010, the album reached the top position, after being on the chart for twenty-eight consecutive weeks. The album has been in the top forty in the United Kingdom for sixty-five consecutive weeks, making it one of the best-selling albums of 2009 and 2010.