Wretch 32 and Emeli Sande have recorded a collaboration together called 'Underdog Law'.
The track, which you can hear below on Gigwise, was recorded last week.
Their decision to release the song online comes in the same week that both acts are occupying the top two positions on the UK singles chart.
On Sunday (August 21), Wretch 32 scored his first number one with 'Don't Go' while Sande's 'Heaven' went straight in at number two.
On Twitter, Wretch 32 wrote: "Ok so @emelisande and I have decided to give out a free tune to say thatnk you to the fans. We love you all."
Wretch 32's debut album proper 'Black and White' is released today (August 22).
Listen to 'Underdog Law':
You can keep up to date with all the latest news from Gigwise by following us on Twitter and liking us on Facebook.
As Muse Prepare For Reading & Leeds: 20 Facts About 'Origin Of Symmetry'.jpg)
Miley Cyrus, Britney Spears, Madonna: Worst Covers Of All Time
Reading And Leeds Festival: Most Memorable Moments Through The Years
