Lady Gaga, Bono and Usher are amongst the artists performing acoustic sets at a special show to celebrate the 10th anniversary of the Bill Clinton Foundation.
The show will take place at the Hollywood Bowl in Los Angeles on October 15 and is formally titled A Decade of Difference: A Concert Celebrating 10 Years of the William J Clinton Foundation.
The former US president's charity researches and raises money for a number of global issues, including poverty alleviation, climate change, health, and education. Of the one-off show, Clinton has said:
I am proud that some of today's most influential performers are coming together to raise awareness about the work of my Foundation.
The concert will be shown live on Yahoo!.