Florence and the Machine (styled as Florence + the Machine) are an English independent rock band formed in London in 2007 whose members include Florence Welch on lead vocals and percussion; Isabella Summers on keyboards and backing vocals; Robert Ackroyd on lead guitar; Christopher Lloyd Hayden in drums and percussion; Tom Monger in harp, xylophone, bass guitar, and backing vocals; Mark Saunders on bass guitar, percussion, and backing vocals; and Rusty Bradshaw on rhythm guitar, keyboards, and backing vocal.
In the Uncovered: Final Fantasy XV promotional event for Final Fantasy XV, it was revealed the band will be providing the theme song, "Stand By Me", for the game. The song is a cover of the 1961 classic by American singer Ben E. King. This marks the first time a cover of a licensed song is used as a theme for an entry to the main series, but it is the second licensed song after "My Hands" by Leona Lewis for Final Fantasy XIII.
- They are the second artist from the United Kingdom to have provided a theme for a main Final Fantasy game. The first one was Leona Lewis for Final Fantasy XIII with "My Hands".