Florence + the Machine's acoustic duet with Josh Homme has emerged online.
Florence Welch and the Queens of the Stone Age frontman performed a cover version of 'Jackson', made famous by Johnny Cash and June Carter.
The duet was part of the band's MTV Unplugged performance in New York City last year.
Florence + the Machine will release an album of the live set on April 9, which will also feature a cover version of Otis Redding's 'Try a Little Tenderness'.
The MTV Unplugged performance will receive its online premiere on April 8. It will be broadcast through MTV's online outlets in the US, Europe, Latin America, Asia and Africa from 11pm ET (4am GMT).
> Florence Welch: 'Snow White and the Huntsman track inspired by Queen'
Watch the music video for Florence + the Machine's 'Never Let Me Go' below: